Blueberry Fluorite: Deep-Blue Crystals on Quartz from Huanggangliang
Blueberry Fluorite from the 2014 find at Huanggangliang’s No. 4 Mine in Inner Mongolia, China, is known for its deep-blue crystals on white quartz. Some specimens preserve two stages of fluorite growth, with pale cubes followed by darker crystals with modified octahedral forms.