Quartz, Calcite, Pyrite & Chalcopyrite - Statement Specimen 1000 layer quartz The bone is mostly pale

The bone is mostly pale cream to light tan with soft grey and faint reddish staining

Shank Thickness: 1

Description: This one of a kind Libyan Desert Glass specimen from Libya features a darker smoky gray-green tone with translucent edges

Composed of corundum (Al₂O₃) with traces of chromium giving it its vivid red color

but upon exposure to UV light

Quartz, Calcite, Pyrite & Chalcopyrite - Statement Specimen 1000 layer quartz The bone is mostly paleMined from: Santa Eulalia mining district, Chihuahua, Mexico Description: This one of a kind Quartz, Calcite, Pyrite & Chalcopyrite statement piece from Mexico is a dramatic, display sized piece featuring a dense forest of white Quartz crystals accented by warm blush to cinnamon Calcite growth and bold, brassy metallic Pyrite and Chalcopyrite throughout. The specimen has striking contrast and texture, with sharp crystal points, layered mineral