Tetrahedrite, Pyrite, Calcite and Quartz Crystal Cluster | 121.6 Grams | Lima Peru Quartz It is a very unusual

It is a very unusual specimen and in very good condition

Comes with Specimen card

also called schorl

Gem Type: Tanzanite

Tetrahedrite, Pyrite, Calcite and Quartz Crystal Cluster | 121.6 Grams | Lima Peru Quartz It is a very unusualThis beautiful cluster combines tetrahedrite, cubic and crystallized pyrite matrix, calcite and tiny terminated quartz crystals. Tetrahedrite crystals are fascinating minerals known for their distinctive tetrahedral shape and shiny, metallic luster. It typically forms in well defined tetrahedral crystals, which can be grouped in clusters. The color range includes shades of metallic gray, black, and sometimes reddish hues due to the presence of copper