Prehnite is transparent to translucent

assist in decluttering

Each Ulexite is beautiful and unique

Strand Length:  38 cm / 15 Inches

Tetrahedrite Cluster Crystal | 31.9 Grams | Lima, Peru NWA 2949 Prehnite is transparent to translucentTetrahedrite 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