Treatment: None (unheated

Mordenite was first described in 1864 by Henry How

Comes with a Canagem Collection specimen card

making it useful during stressful or scattered times

Dimensions: 73x68x40 mm / 2

Tetrahedrite Cluster Crystal | 37.45 Grams | Lima, Peru | SO24 Ulexite Treatment: None (unheatedTetrahedrite 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