Marcasite Quartz Calcite Cluster from Russia Malachite Oklahoma Mud Balls or OMGites

Oklahoma Mud Balls or OMGites are spherical cobbles found in the Wellington and Garber formations in Oklahoma

This gorgeous specimen of pyrite on a quartz matrix comes from Peru

Tiny quartz crystals blanket the surface

This item is 1

This item is 1” x 1

Marcasite Quartz Calcite Cluster from Russia Malachite Oklahoma Mud Balls or OMGitesThis 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 1. 5 x 1 and weighs 1. 75 oz