Mystic Parcel Polyhedral Agate specimen information card with locality map, formation notes, features, and mineral data

Polyhedral Agate from Paraíba, Brazil

Polyhedral Agate is a rare, naturally angular variety of agate from Garguelo Farm near Cachoeira dos Índios in Paraíba, Brazil. Its flat-sided nodules contain layered chalcedony, sometimes surrounding incompletely filled central cavities. Although several explanations have been proposed for its unusual geometry, the exact formation process remains unresolved.

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This specimen is part of the Mystic Parcel Curio Cabinet collection.

Polyhedral Agate Collection

  • Geological Wonders

    Exploring geological wonders through crystals and rare specimens offers a unique blend of art, science, and mystique. While their beauty is undeniable, these treasures connect us to Earth's complex history and ongoing story.

  • Sourcing Standards

    Learn how Mystic Parcel approaches ethical sourcing, supplier transparency, and material integrity when selecting crystals, minerals, and intentional tools.

  • What Is Polyhedral Agate?

    A closer look at the natural geometry, disputed formation, historic Brazilian locality, and collector rarity of Polyhedral Agate.