While it's durable enough for jewelry

Approx Weight (per bag): 50 or 100 gram bags available

Strand Length:  38 cm / 15 Inches

Dimensions: 73x68x40 mm / 2

usually in clusters with the crystals growing parallel to one another

Tetrahedrite Cluster Crystal | 37.45 Grams | Lima, Peru | SO24 Ulexite While it's durable enough forTetrahedrite 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