Beautiful specimen of well crystallized black augite crystals covering orange calcite matrix

and sometimes reddish hues due to the presence of copper and other trace elements

Product ID: SS0278

Color:  Greenish Yellow

Product ID: MGIO95187   (Appraised at $1

Tetrahedrite, Pyrite, Calcite and Quartz Crystal Cluster | 42.21 Grams | Lima Peru | SO24 Morganite Beautiful specimen of well crystallizedTetrahedrite 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 commonly found in hydrothermal veins and is often associated with other minerals such