Tetrahedrite crystals (panabase in French, tetrahedrite in English), a selection of specimens of this crystallized mineral species. Tetrahedrite is a mineral, here many collectibles presented with a description, one or more photos and sometimes a video. These tetrahedrites are for sale.
It is a sulfoantimonide of copper and iron, with the chemical formula (Cu, Fe)₁₂Sb₄S₁₃, cubic crystal system.