Silicated Conichalcite Beads Rare Mineral 4-7Mm 18"

Gorgeous silicated bright green Conichalcite cut into a rare strand of beads! Conichalcite is often found encrusted on to limonitic rocks that have yellow to red colors. Conichalcite was collected from the Ojuela Mine in Mapimi, Mexico.
Conichalcite is one of the more unusual copper minerals which consists of small, opaque, green and blue-green spherules and druzy crystals of conichalcite as cavity and fracture coatings on a dark brown, limonitic matrix.