Calcite - Qinglong Mine / Dachang, Guizhou, China
A pair of stalactite-shaped calcite crystals embellished with...
A pair of stalactite-shaped calcite crystals embellished with...
Beautiful quartz slab with a lovely sheen, composed of slender...
Plate composed of numerous yellow fluorite cubes, in good...
A charming set of three botryoidal quartz crystals in distinct...
Small piece composed of several green wavellite spheres of...