Marcasite Quartz Calcite Cluster from Russia Amethyst natural variations of color and

natural variations of color and texture

Garden quartz

This is a rare mineral combination that features a vibrant contrast of black

Pure Adamite is colorless and usually less than an inch in diameter

This item is 4” x 2” x 3” and weighs 30

Marcasite Quartz Calcite Cluster from Russia Amethyst natural variations of color andThis 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 1 and weighs 1. 5 oz