Optical Calcite with Manganese Inclusions from Jinhua, Zhejiang Prov., China arsenopyrite colorful doubly polished Malachite and

colorful doubly polished Malachite and Chrysocolla slice from the Congo

Lustrous transparent purple parallel Quartz Var

greens and reds

Dimensions: 13 x 3 x 2

Optical Calcite with Manganese Inclusions from Jinhua, Zhejiang Prov., China arsenopyrite colorful doubly polished Malachite andThis exceptional single calcite crystal features a sharp, elongated form with crisp surface striations and outstanding clarity. Delicate manganese dendrites at the base add natural character and contrast beautifully with the crystal clear upper section. This specimen is nearly complete, showing only a few tiny natural edge marks. Weight: 292. 5 grams, Dimensions: 1. 5 x 1. 25 x 6. 5 inches