Marcasite Quartz Calcite Cluster from Russia Mangano Calcite found in hydrothermal deposits

found in hydrothermal deposits

This specimen has been photographed with both long wave and mid wave black lights

showing the classic stepped growth patterns apophyllite is prized for

well-formed apophyllite crystals nestled among soft peach stilbite blades

125” and weighs 19

Marcasite Quartz Calcite Cluster from Russia Mangano Calcite found in hydrothermal depositsThis 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 x 2. 5 and weighs 2. 15 oz