This is a beautiful cluster of metallic black and blue tetrahedrite

Its crystals can be colorless or exhibit a wide range of colors

It remained on a sheep farm for many years before finally being recognised as meteoric in 1989

Often referred to as the "stone of love

There are many types of this rock so they may be named for mineral comprising the actual rock for example Mica schist

Tetrahedrite, Pyrite and Calcite Crystal Cluster | 33 Grams | Lima, Peru Apatite This is a beautiful clusterThis beautiful cluster combines tetrahedrite, crystallized pyrite and calcite 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 and other trace elements. Tetrahedrite is