Mercedes Calcite (Chalcopyrite on Calcite) - Specimen sparkle a variety of feldspar mineral

a variety of feldspar mineral known for its stunning play of color

with the chemical formula SiO₂

Material: Glass Lid

is buried under sediment and then subjected to heat and pressure over millions of years

Mercedes Calcite (Chalcopyrite on Calcite) - Specimen sparkle a variety of feldspar mineralMined from: Daye Mine, Huangshi, Hubei Province, China Description: This specimen displays classic Mercedes calcite, with broad, flattened crystals radiating outward in a layered, geometric arrangement. The crystals are semi translucent with a warm, slightly honeyed tone, and show strong internal growth lines across their faces. What defines this piece are the crisp, parallel black bands running through multiple crystals, forming clean linear patterns