Learn about Covellite
CuS shows an indigo-blue metallic sheen with thin platelike crystals and rosettes; rare on matrix and highly prized, especially from Butte.Covellite from Butte Mining District, USA
from the Butte Mining District, USA - a classic copper-sulfide with gunmetal to electric indigo iridescence, hexagonal blades on matrix, highly prize…Butte Mining District
Butte Mining District, USA - famed copper-molybdenum vein system yielding museum-grade ore specimens, enargite prisms, covellite plates, and rich collector app…
Comments