Marcasite Quartz Calcite Cluster from Russia Herkimer Chrysocolla is a copper-based mineral

Chrysocolla is a copper-based mineral often found in oxidized copper deposits

875” and weighs 12 oz

The specimen is securely wrapped in an intricate wire design

5” and weighs 10 oz

375” x 1

Marcasite Quartz Calcite Cluster from Russia Herkimer Chrysocolla is a copper-based mineralThis 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