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composed of syenite clasts containing fluorescent sodalite
Tiny quartz crystals blanket the surface
This item is 5” x 3” and weighs 51
Approximately 30-35 million years old
They are the oldest living fossil
Marcasite Quartz Calcite Cluster from Russia Malachite composed of syenite clasts containingThis 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
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