Calcite with Pyrite Crystal Specimen from Kaiwu Mine, Guizhou, China - 356g tanzaniacrystal This gorgeous Tanzanite Crystal displays

This gorgeous Tanzanite Crystal displays a magnificent deep blue and violet hue complemented by its splendid termination

This crystal exhibits a very slight color change in fluorescent to incandescent lighting

Tanzania    Measurement: 19mm x 11mm x 8

The smokey amethyst color transitions into colorless quartz crystal about halfway through this specimen

Calcite with Pyrite Crystal Specimen from Kaiwu Mine, Guizhou, China - 356g tanzaniacrystal This gorgeous Tanzanite Crystal displaysAn attractive Calcite with Pyrite specimen from the renowned Kaiwu Mine in Guizhou Province, China. This display piece features a striking contrast between glittering golden pyrite and lustrous white calcite crystals. The pyrite forms rounded, sparkling clusters that blanket portions of the specimen, while the calcite creates an intricate landscape of well formed crystals beneath. Location: Kaiwu Mine, Hezhang County, Guizhou, China Weight: 356 grams