Grape Agate Cluster from Indonesia — 335g
A broad lavender cluster with dense amethystine quartz spheres, cool blue-green accents, and layered pocket architecture — 335g | 4.7 × 3.9 × 2.3 in.
Chakra | Crown and Third Eye
Primary Intention | Awakening
Country of Origin | Indonesia
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Grape Agate Cluster from Indonesia — 335g
Grape Agate Cluster from Indonesia — 335g
Clarity, Growth, Balance
One-of-a-kind Grape Agate specimen from Mamuju Regency, West Sulawesi, Indonesia, featuring dense lavender amethystine quartz across a broad and highly dimensional formation. Rounded spherulites gather across the primary display face, producing the clustered appearance for which this unusual Indonesian quartz is known.
The lavender surface is interrupted by a cool blue-green zone near the upper center, with additional cream, gray, and pale lilac detail appearing around the edges and reverse. Closely grouped spheres alternate with smoother mineral surfaces, layered ledges, and recessed cavities, giving the specimen significant textural variation.
Measuring approximately 4.7 inches across and 2.3 inches deep, this is a substantial small cabinet specimen with visual interest on every side. The broad face emphasizes the rounded quartz growth, while the reverse exposes more of the layered pocket architecture and natural spaces within the formation.
Specimen Details
- Material: Amethystine botryoidal quartz — trade name Grape Agate
- Locality: Mamuju Regency, West Sulawesi, Indonesia — historically traded as Manakarra quartz
- Formation: Radial quartz spherulites formed within clay-filled spaces associated with weathered volcanic pillow lava
- Features: Broad clustered face, dense rounded growth, pale blue-green center, layered pocket walls, recessed cavities, and fine crystalline texture
- Color: Lavender, lilac, pale violet, icy blue-green, cream, and gray tones
- Finish: Natural and unpolished
- Size: Approx. 4.7 × 3.9 × 2.3 in. / 119 × 98 × 58 mm
- Specimen Size: Small cabinet
- Weight: 335g / 11.8 oz.
- Display: Display block shown in photographs is not included
- Selection: Exact specimen shown
Geological Notes
Grape Agate is the commercial name for aggregates of spheroidal quartz found in West Sulawesi. Despite the familiar trade name, the material is not a true agate because it lacks the internal chalcedony banding that defines mineralogical agate.
Each rounded structure is a quartz spherulite composed of fine crystals arranged radially around a growth center. Where many spherulites formed close together, they contacted and joined one another, creating the botryoidal, grape-like clusters visible across the specimen.
The purple portions are amethystine quartz. Their coloration is associated with iron-related color centers in quartz, comparable to the mechanism responsible for amethyst coloration. Here, that color is expressed through rounded spherulitic growth rather than conventional prismatic crystal points.
The deposits occur in clay-filled spaces associated with weathered Miocene pillow lavas in Mamuju Regency. These intermediate volcanic rocks formed beneath water, where rapidly cooled lava developed rounded pillow-like masses with irregular spaces between them.
The current formation model proposes that alteration of silica-rich volcanic glass produced clay within these spaces while releasing silica into circulating fluids. Quartz later precipitated as radial spherulites within and along the clay-filled pockets. The pale blue-green portions of the material are associated with magnesium- and calcium-rich clay-mineral inclusions rather than simply representing a continuation of the purple color zoning.
This specimen preserves several parts of that formation environment. Dense lavender spheres dominate the principal face, while the reverse reveals pale crystalline surfaces, overlapping pocket walls, and recessed spaces around the original growth structure.
Mystic Parcel Notes
This specimen was selected for Mystic Parcel because it combines strong grape-like quartz coverage with an unusually visible pocket structure. The primary display face presents a broad field of lavender spheres, while the central blue-green area creates a cool contrast within the otherwise amethystine palette.
The reverse has a more geological character. Pale layers fold around cavities and narrow openings, showing where quartz developed over and around the irregular surfaces within the mineralized pocket. These structures make the piece especially rewarding to examine from above and from both sides.
Its form feels broad and grounded rather than upright or delicate. The specimen has enough depth to hold visual weight in a Curio Cabinet while remaining compact enough for a desk, shelf, or meditation space.
Energetically, Grape Agate is often associated with clarity, growth, and balance. The joined spheres suggest that development does not occur in isolation: many individual points of change can gather into one stable and connected whole.
For collectors, this is a dimensional small cabinet specimen with strong botryoidal coverage, contrasting clay-associated color, and visible pocket architecture. For intention buyers, its broad form and quiet lavender palette make it a steady visual anchor for reflection and gradual growth.
What you’ll receive
- One (1) 335g Grape Agate quartz specimen from Mamuju Regency, West Sulawesi, Indonesia — exact specimen shown
- Mystic Parcel specimen identification card
The display block used in the photographs is a styling prop and is not included.
How to use
- Display on a stable shelf, specimen stand, museum putty, or padded support appropriate to its irregular natural base.
- Position the broad lavender face forward to emphasize the dense rounded growth and blue-green central accent.
- Rotate periodically to view the layered reverse, recessed cavities, and changing mineral textures.
- Use as a visual anchor for clarity, balance, gradual growth, or reflective intention work.
- Pair with amethyst, quartz, botryoidal minerals, or volcanic-pocket specimens for a formation-focused display.
Care
- Quartz is relatively durable, but individual spheres, layered edges, and natural attachment points may be delicate.
- Support the broader body of the specimen when lifting it rather than grasping projecting formations.
- Remove loose dust with a clean air bulb or very soft dry brush.
- If rinsing is necessary, use a brief low-pressure rinse with cool water and allow the specimen to dry completely.
- Avoid prolonged soaking, ultrasonic cleaning, harsh chemicals, salt, abrasive scrubbing, and sudden temperature changes.
- Pale clay-associated areas may be more friable than the quartz and should not be scrubbed.
Notes: This is a natural mineral specimen and may show clay-associated mineral areas, cavities, inclusions, uneven surfaces, color variation, crystalline texture, and delicate formation points. The display block shown in the photographs is not included. Photos show the exact specimen you will receive. Crystal use is complementary to and not a substitute for professional advice.
Natural mineral layers, cavities, clay-associated areas, inclusions, color variation, crystalline texture, and formation lines are part of this specimen’s origin and character.
Grape Agate Cluster from Indonesia — 259g
Clarity, Growth, Awakening
One-of-a-kind Grape Agate specimen from Mamuju Regency, West Sulawesi, Indonesia, featuring pale amethystine quartz, moss-green clay-rich areas, and fine crystalline sparkle across a tall natural formation. The irregular silhouette gives the piece a sculptural presence while preserving extensive geological detail.
Lavender, pale lilac, and gray-violet quartz move through cream, white, and green areas across the specimen. Rounded grape-like forms remain visible along several edges and recessed surfaces, while finer crystalline overgrowth produces a drusy shimmer over broader portions of the piece.
At approximately 4.2 inches tall and more than two inches deep, this is a compact but dimensional small cabinet specimen. Open channels, ridges, projecting sections, and layered growth create a different composition from every viewing angle.
Specimen Details
- Material: Botryoidal quartz with amethystine coloration — trade name Grape Agate
- Locality: Mamuju Regency, West Sulawesi, Indonesia
- Formation: Quartz spherulites and fine crystalline overgrowth associated with clay-filled pockets in volcanic pillow lava
- Features: Tall sculptural profile, pale rounded growth, green clay-rich areas, open channels, layered surfaces, and fine drusy sparkle
- Color: Pale lavender, soft lilac, gray-violet, cream, white, and moss to blue-green tones
- Finish: Natural and unpolished
- Size: Approx. 4.2 × 2.2 × 2.1 in. / 106 × 57 × 54 mm
- Specimen Size: Small cabinet
- Weight: 259g / 9.1 oz.
- Display: Display block shown in photographs is not included
- Selection: Exact specimen shown
Geological Notes
Grape Agate is the commercial name for aggregates of spheroidal quartz from West Sulawesi. Each rounded structure is built from thin quartz fibers growing radially from a central point. Connected groups of these spherulites produce the grape-like botryoidal habit.
The lavender quartz is amethystine in color. Amethyst coloration develops when trace iron in quartz is affected by natural irradiation, creating color centers that cause the mineral to appear purple. In Grape Agate, that coloration is expressed through rounded spherulitic growth and fine crystalline overgrowth rather than the familiar prismatic points of conventional amethyst.
Although the trade name includes the word agate, this material lacks the internal chalcedony banding required for classification as true agate. Mineralogically, it is better described as an aggregate of botryoidal or spherulitic quartz.
The deposits occur in clay-filled spaces associated with weathered Miocene-age submarine pillow lavas in Mamuju Regency. These volcanic masses formed as lava cooled beneath water, creating pillow-like forms with irregular voids and channels between them.
The current geological model suggests that hydrothermal fluids dissolved silica from volcanic glass and gradually altered parts of the surrounding volcanic rock into magnesium- and calcium-rich clay. Silica later precipitated from solution within the clay-filled pockets, forming radial quartz spherulites and finer crystalline coatings.
This specimen appears to preserve several stages and textures of that mineralization. Rounded lavender growth remains visible along projecting edges and recessed areas, while broader surfaces carry a finer drusy quartz coating. Moss-green and blue-green areas are associated with clay-mineral material and inclusions within the formation.
Mystic Parcel Notes
This specimen was selected for Mystic Parcel because it preserves more than the familiar grape-like surface. Its deep channels, folded contours, thin projections, green clay-rich areas, and sparkling quartz coatings present a more complete view of the unusual pocket environment in which the material formed.
The coloration changes noticeably as the piece is rotated. Some views emphasize dark moss-green and gray mineral areas, while others reveal pale lavender, pink-lilac, cream, and white quartz. Direct light catches the fine crystalline surfaces and produces scattered sparkle across the more subdued color palette.
The silhouette rises unevenly into a narrow upper projection, giving the specimen a sense of vertical movement. Its shape feels less like a conventional cluster and more like a fragment of the original mineralized pocket preserved as a natural sculpture.
Energetically, Grape Agate is often associated with clarity, growth, and awakening. The mixture of open spaces and connected mineral growth gives this piece the feeling of adaptation — development continuing around obstacles rather than following a single uniform path.
For collectors, this is a dimensional small cabinet specimen with varied quartz habits, visible clay-rich material, and strong geological character. For intention buyers, its upward form and shifting green-to-lavender palette make it suited to a reflective space centered on growth, change, and expanded awareness.
What you’ll receive
- One (1) 259g Grape Agate quartz specimen from Mamuju Regency, West Sulawesi, Indonesia — exact specimen shown
- Mystic Parcel specimen identification card
The black display block used in the photographs is a styling prop and is not included.
How to use
- Display upright on a secure specimen stand, mineral putty, or stable shelf arrangement suited to its irregular base.
- Place where side lighting can reveal the fine drusy sparkle, recessed channels, and layered mineral textures.
- Rotate periodically to view the changing lavender, green, gray, cream, and white areas.
- Use as a visual anchor for clarity, adaptation, growth, awakening, or reflective intention work.
- Pair with amethyst, quartz, botryoidal minerals, or volcanic-pocket specimens for a geology-focused display.
Care
- Quartz is relatively durable, but the projecting growths, open channels, clay-rich areas, and natural attachment points may be delicate.
- Support the broader body of the specimen when lifting it and avoid grasping narrow projections or individual rounded formations.
- Remove dust with a clean air bulb or very soft dry brush, working gently around recessed areas.
- If additional cleaning is required, use a gentle low-pressure rinse and allow the specimen to dry completely.
- Avoid prolonged soaking, ultrasonic cleaning, harsh chemicals, salt, abrasive scrubbing, and sudden temperature changes.
- Use a stable support appropriate to the specimen’s irregular natural base and keep it where it will not be bumped or tipped.
Notes: This is a natural mineral specimen and may show clay-rich matrix, open channels, cavities, mineral coatings, uneven surfaces, color variation, crystalline texture, and delicate formation points. The display block shown in the photographs is not included. Photos show the exact specimen you will receive. Crystal use is complementary to and not a substitute for professional advice.
Natural clay-rich areas, cavities, mineral coatings, inclusions, color variation, crystalline texture, and formation lines are part of this specimen’s origin and character.
| Specification | Detail |
|---|---|
| Material | Botryoidal Amethystine Quartz (Grape Agate) |
| Origin | Mamuju Regency, West Sulawesi, Indonesia |
| Size | Approximately 4.7 × 3.9 × 2.3 in. / 119 × 98 × 58 mm |
| Weight | 335g / 11.8 oz. |
| Finish | Natural and unpolished |
| Features | Distinctive sculptural form, rich layered growth, subtle drusy sparkle, and intriguing clay mineral inclusions |
| Material | Description |
|---|---|
| Amethyst Quartz | Commonly referred to as Grape Agate, this exquisite material displays a remarkable formation of intricately interlaced spheroidal quartz aggregates, renowned for their delicate crystalline textures. |
| Color Tones | Exhibits a stunning array of lavender, lilac, soft violet, gray, cream, and gentle tan hues, beautifully intermingled throughout the matrix. |
This material occurs in clay-filled spaces associated with weathered Miocene pillow lavas in Mamuju Regency, West Sulawesi. The volcanic rocks formed beneath water, where rapidly cooled lava developed rounded pillow-like masses with irregular spaces between them.
The current formation model proposes that alteration of silica-rich volcanic glass produced clay within these spaces while releasing silica into circulating fluids. Quartz later precipitated as radially structured spherulites within and along the clay-filled pockets. As the spheres accumulated, contacted one another, and continued to crystallize, they developed into connected clusters.
This specimen preserves dense lavender quartz growth alongside pale blue-green areas, recessed spaces, and overlapping pocket-wall structures. The contrast provides a visible record of the irregular environment in which the spherulites developed.
This specimen was selected for its broad, dimensional face and the contrast between dense lavender quartz and the cool blue-green zone near its upper center. Rounded growth covers much of the surface, but layered ledges and recessed spaces prevent the piece from appearing uniform.
The reverse is particularly revealing, with pale crystalline surfaces, cavities, and thin mineral layers that resemble fragments of the original pocket architecture. The specimen rewards rotation rather than presenting only one finished viewing face.
Energetically, Grape Agate is often associated with clarity, growth, and balance. The many individual spheres joined within one formation give this piece a visual language of gradual development and connected progress.
Grape Agate Cluster from Indonesia — 335g
Clarity, Growth, Balance
One-of-a-kind Grape Agate specimen from Mamuju Regency, West Sulawesi, Indonesia, featuring dense lavender amethystine quartz across a broad and highly dimensional formation. Rounded spherulites gather across the primary display face, producing the clustered appearance for which this unusual Indonesian quartz is known.
The lavender surface is interrupted by a cool blue-green zone near the upper center, with additional cream, gray, and pale lilac detail appearing around the edges and reverse. Closely grouped spheres alternate with smoother mineral surfaces, layered ledges, and recessed cavities, giving the specimen significant textural variation.
Measuring approximately 4.7 inches across and 2.3 inches deep, this is a substantial small cabinet specimen with visual interest on every side. The broad face emphasizes the rounded quartz growth, while the reverse exposes more of the layered pocket architecture and natural spaces within the formation.
Specimen Details
- Material: Amethystine botryoidal quartz — trade name Grape Agate
- Locality: Mamuju Regency, West Sulawesi, Indonesia — historically traded as Manakarra quartz
- Formation: Radial quartz spherulites formed within clay-filled spaces associated with weathered volcanic pillow lava
- Features: Broad clustered face, dense rounded growth, pale blue-green center, layered pocket walls, recessed cavities, and fine crystalline texture
- Color: Lavender, lilac, pale violet, icy blue-green, cream, and gray tones
- Finish: Natural and unpolished
- Size: Approx. 4.7 × 3.9 × 2.3 in. / 119 × 98 × 58 mm
- Specimen Size: Small cabinet
- Weight: 335g / 11.8 oz.
- Display: Display block shown in photographs is not included
- Selection: Exact specimen shown
Geological Notes
Grape Agate is the commercial name for aggregates of spheroidal quartz found in West Sulawesi. Despite the familiar trade name, the material is not a true agate because it lacks the internal chalcedony banding that defines mineralogical agate.
Each rounded structure is a quartz spherulite composed of fine crystals arranged radially around a growth center. Where many spherulites formed close together, they contacted and joined one another, creating the botryoidal, grape-like clusters visible across the specimen.
The purple portions are amethystine quartz. Their coloration is associated with iron-related color centers in quartz, comparable to the mechanism responsible for amethyst coloration. Here, that color is expressed through rounded spherulitic growth rather than conventional prismatic crystal points.
The deposits occur in clay-filled spaces associated with weathered Miocene pillow lavas in Mamuju Regency. These intermediate volcanic rocks formed beneath water, where rapidly cooled lava developed rounded pillow-like masses with irregular spaces between them.
The current formation model proposes that alteration of silica-rich volcanic glass produced clay within these spaces while releasing silica into circulating fluids. Quartz later precipitated as radial spherulites within and along the clay-filled pockets. The pale blue-green portions of the material are associated with magnesium- and calcium-rich clay-mineral inclusions rather than simply representing a continuation of the purple color zoning.
This specimen preserves several parts of that formation environment. Dense lavender spheres dominate the principal face, while the reverse reveals pale crystalline surfaces, overlapping pocket walls, and recessed spaces around the original growth structure.
Mystic Parcel Notes
This specimen was selected for Mystic Parcel because it combines strong grape-like quartz coverage with an unusually visible pocket structure. The primary display face presents a broad field of lavender spheres, while the central blue-green area creates a cool contrast within the otherwise amethystine palette.
The reverse has a more geological character. Pale layers fold around cavities and narrow openings, showing where quartz developed over and around the irregular surfaces within the mineralized pocket. These structures make the piece especially rewarding to examine from above and from both sides.
Its form feels broad and grounded rather than upright or delicate. The specimen has enough depth to hold visual weight in a Curio Cabinet while remaining compact enough for a desk, shelf, or meditation space.
Energetically, Grape Agate is often associated with clarity, growth, and balance. The joined spheres suggest that development does not occur in isolation: many individual points of change can gather into one stable and connected whole.
For collectors, this is a dimensional small cabinet specimen with strong botryoidal coverage, contrasting clay-associated color, and visible pocket architecture. For intention buyers, its broad form and quiet lavender palette make it a steady visual anchor for reflection and gradual growth.
What you’ll receive
- One (1) 335g Grape Agate quartz specimen from Mamuju Regency, West Sulawesi, Indonesia — exact specimen shown
- Mystic Parcel specimen identification card
The display block used in the photographs is a styling prop and is not included.
How to use
- Display on a stable shelf, specimen stand, museum putty, or padded support appropriate to its irregular natural base.
- Position the broad lavender face forward to emphasize the dense rounded growth and blue-green central accent.
- Rotate periodically to view the layered reverse, recessed cavities, and changing mineral textures.
- Use as a visual anchor for clarity, balance, gradual growth, or reflective intention work.
- Pair with amethyst, quartz, botryoidal minerals, or volcanic-pocket specimens for a formation-focused display.
Care
- Quartz is relatively durable, but individual spheres, layered edges, and natural attachment points may be delicate.
- Support the broader body of the specimen when lifting it rather than grasping projecting formations.
- Remove loose dust with a clean air bulb or very soft dry brush.
- If rinsing is necessary, use a brief low-pressure rinse with cool water and allow the specimen to dry completely.
- Avoid prolonged soaking, ultrasonic cleaning, harsh chemicals, salt, abrasive scrubbing, and sudden temperature changes.
- Pale clay-associated areas may be more friable than the quartz and should not be scrubbed.
Notes: This is a natural mineral specimen and may show clay-associated mineral areas, cavities, inclusions, uneven surfaces, color variation, crystalline texture, and delicate formation points. The display block shown in the photographs is not included. Photos show the exact specimen you will receive. Crystal use is complementary to and not a substitute for professional advice.
Natural mineral layers, cavities, clay-associated areas, inclusions, color variation, crystalline texture, and formation lines are part of this specimen’s origin and character.
Grape Agate Cluster from Indonesia — 259g
Clarity, Growth, Awakening
One-of-a-kind Grape Agate specimen from Mamuju Regency, West Sulawesi, Indonesia, featuring pale amethystine quartz, moss-green clay-rich areas, and fine crystalline sparkle across a tall natural formation. The irregular silhouette gives the piece a sculptural presence while preserving extensive geological detail.
Lavender, pale lilac, and gray-violet quartz move through cream, white, and green areas across the specimen. Rounded grape-like forms remain visible along several edges and recessed surfaces, while finer crystalline overgrowth produces a drusy shimmer over broader portions of the piece.
At approximately 4.2 inches tall and more than two inches deep, this is a compact but dimensional small cabinet specimen. Open channels, ridges, projecting sections, and layered growth create a different composition from every viewing angle.
Specimen Details
- Material: Botryoidal quartz with amethystine coloration — trade name Grape Agate
- Locality: Mamuju Regency, West Sulawesi, Indonesia
- Formation: Quartz spherulites and fine crystalline overgrowth associated with clay-filled pockets in volcanic pillow lava
- Features: Tall sculptural profile, pale rounded growth, green clay-rich areas, open channels, layered surfaces, and fine drusy sparkle
- Color: Pale lavender, soft lilac, gray-violet, cream, white, and moss to blue-green tones
- Finish: Natural and unpolished
- Size: Approx. 4.2 × 2.2 × 2.1 in. / 106 × 57 × 54 mm
- Specimen Size: Small cabinet
- Weight: 259g / 9.1 oz.
- Display: Display block shown in photographs is not included
- Selection: Exact specimen shown
Geological Notes
Grape Agate is the commercial name for aggregates of spheroidal quartz from West Sulawesi. Each rounded structure is built from thin quartz fibers growing radially from a central point. Connected groups of these spherulites produce the grape-like botryoidal habit.
The lavender quartz is amethystine in color. Amethyst coloration develops when trace iron in quartz is affected by natural irradiation, creating color centers that cause the mineral to appear purple. In Grape Agate, that coloration is expressed through rounded spherulitic growth and fine crystalline overgrowth rather than the familiar prismatic points of conventional amethyst.
Although the trade name includes the word agate, this material lacks the internal chalcedony banding required for classification as true agate. Mineralogically, it is better described as an aggregate of botryoidal or spherulitic quartz.
The deposits occur in clay-filled spaces associated with weathered Miocene-age submarine pillow lavas in Mamuju Regency. These volcanic masses formed as lava cooled beneath water, creating pillow-like forms with irregular voids and channels between them.
The current geological model suggests that hydrothermal fluids dissolved silica from volcanic glass and gradually altered parts of the surrounding volcanic rock into magnesium- and calcium-rich clay. Silica later precipitated from solution within the clay-filled pockets, forming radial quartz spherulites and finer crystalline coatings.
This specimen appears to preserve several stages and textures of that mineralization. Rounded lavender growth remains visible along projecting edges and recessed areas, while broader surfaces carry a finer drusy quartz coating. Moss-green and blue-green areas are associated with clay-mineral material and inclusions within the formation.
Mystic Parcel Notes
This specimen was selected for Mystic Parcel because it preserves more than the familiar grape-like surface. Its deep channels, folded contours, thin projections, green clay-rich areas, and sparkling quartz coatings present a more complete view of the unusual pocket environment in which the material formed.
The coloration changes noticeably as the piece is rotated. Some views emphasize dark moss-green and gray mineral areas, while others reveal pale lavender, pink-lilac, cream, and white quartz. Direct light catches the fine crystalline surfaces and produces scattered sparkle across the more subdued color palette.
The silhouette rises unevenly into a narrow upper projection, giving the specimen a sense of vertical movement. Its shape feels less like a conventional cluster and more like a fragment of the original mineralized pocket preserved as a natural sculpture.
Energetically, Grape Agate is often associated with clarity, growth, and awakening. The mixture of open spaces and connected mineral growth gives this piece the feeling of adaptation — development continuing around obstacles rather than following a single uniform path.
For collectors, this is a dimensional small cabinet specimen with varied quartz habits, visible clay-rich material, and strong geological character. For intention buyers, its upward form and shifting green-to-lavender palette make it suited to a reflective space centered on growth, change, and expanded awareness.
What you’ll receive
- One (1) 259g Grape Agate quartz specimen from Mamuju Regency, West Sulawesi, Indonesia — exact specimen shown
- Mystic Parcel specimen identification card
The black display block used in the photographs is a styling prop and is not included.
How to use
- Display upright on a secure specimen stand, mineral putty, or stable shelf arrangement suited to its irregular base.
- Place where side lighting can reveal the fine drusy sparkle, recessed channels, and layered mineral textures.
- Rotate periodically to view the changing lavender, green, gray, cream, and white areas.
- Use as a visual anchor for clarity, adaptation, growth, awakening, or reflective intention work.
- Pair with amethyst, quartz, botryoidal minerals, or volcanic-pocket specimens for a geology-focused display.
Care
- Quartz is relatively durable, but the projecting growths, open channels, clay-rich areas, and natural attachment points may be delicate.
- Support the broader body of the specimen when lifting it and avoid grasping narrow projections or individual rounded formations.
- Remove dust with a clean air bulb or very soft dry brush, working gently around recessed areas.
- If additional cleaning is required, use a gentle low-pressure rinse and allow the specimen to dry completely.
- Avoid prolonged soaking, ultrasonic cleaning, harsh chemicals, salt, abrasive scrubbing, and sudden temperature changes.
- Use a stable support appropriate to the specimen’s irregular natural base and keep it where it will not be bumped or tipped.
Notes: This is a natural mineral specimen and may show clay-rich matrix, open channels, cavities, mineral coatings, uneven surfaces, color variation, crystalline texture, and delicate formation points. The display block shown in the photographs is not included. Photos show the exact specimen you will receive. Crystal use is complementary to and not a substitute for professional advice.
Natural clay-rich areas, cavities, mineral coatings, inclusions, color variation, crystalline texture, and formation lines are part of this specimen’s origin and character.
| Specification | Detail |
|---|---|
| Material | Botryoidal Amethystine Quartz (Grape Agate) |
| Origin | Mamuju Regency, West Sulawesi, Indonesia |
| Size | Approximately 4.7 × 3.9 × 2.3 in. / 119 × 98 × 58 mm |
| Weight | 335g / 11.8 oz. |
| Finish | Natural and unpolished |
| Features | Distinctive sculptural form, rich layered growth, subtle drusy sparkle, and intriguing clay mineral inclusions |
| Material | Description |
|---|---|
| Amethyst Quartz | Commonly referred to as Grape Agate, this exquisite material displays a remarkable formation of intricately interlaced spheroidal quartz aggregates, renowned for their delicate crystalline textures. |
| Color Tones | Exhibits a stunning array of lavender, lilac, soft violet, gray, cream, and gentle tan hues, beautifully intermingled throughout the matrix. |
This material occurs in clay-filled spaces associated with weathered Miocene pillow lavas in Mamuju Regency, West Sulawesi. The volcanic rocks formed beneath water, where rapidly cooled lava developed rounded pillow-like masses with irregular spaces between them.
The current formation model proposes that alteration of silica-rich volcanic glass produced clay within these spaces while releasing silica into circulating fluids. Quartz later precipitated as radially structured spherulites within and along the clay-filled pockets. As the spheres accumulated, contacted one another, and continued to crystallize, they developed into connected clusters.
This specimen preserves dense lavender quartz growth alongside pale blue-green areas, recessed spaces, and overlapping pocket-wall structures. The contrast provides a visible record of the irregular environment in which the spherulites developed.
This specimen was selected for its broad, dimensional face and the contrast between dense lavender quartz and the cool blue-green zone near its upper center. Rounded growth covers much of the surface, but layered ledges and recessed spaces prevent the piece from appearing uniform.
The reverse is particularly revealing, with pale crystalline surfaces, cavities, and thin mineral layers that resemble fragments of the original pocket architecture. The specimen rewards rotation rather than presenting only one finished viewing face.
Energetically, Grape Agate is often associated with clarity, growth, and balance. The many individual spheres joined within one formation give this piece a visual language of gradual development and connected progress.



