Fluorite on Quartz - De'an Mine, Wushan, Jiangxi Province, China Size: x x 3 cm. The octahedral crystals have a green core but bright purple edges. Forming a vertical line on a snow-white quartz-matrix the brilliant aesthetics of this specimen is
From China. "A beautiful growth of stalactitic aragonite, with stunning sky-blue color from copper content. Note how the growth started out botryoidal, and then shifted to more branchlike forms as the stalactites grew.