Marcasite Quartz Calcite Cluster from Russia Herkimer 25" and weighs 101

25" and weighs 101

5" and weighs 5

dynamic color palette and variety of shapes that it is prized for

The reddish-brown rock consists of sandy crystals of barite (barium sulphate) in petal-like clusters that resemble a rose in full bloom

Each frond displays exceptional texture and definition

Marcasite Quartz Calcite Cluster from Russia Herkimer 25" and weighs 101This beautiful cluster from Russia features shimmering marcasite, quartz, and calcite that fluoresces under UV light. Marcasite is made of iron sulfide, with the same chemical formula as pyrite, though it forms in a different crystal structure. It typically appears metallic and pale bronze with a bright reflective luster. This item is 2. 5 x 2 and weighs 2. 8 oz