Buckhornite
Buckhornite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula (Pb₂BiS₃)(AuTe₂).
It crystallizes in the orthorhombic crystal system (space group Pmmn). It is a member of the Buckhornite structural group.
Key properties: specific gravity 8.43; Gray streak; Splendent metallic luster; optically biaxial.
IMA symbol Bhr, IMA status: approved, named in 1988.
Found in hydrothermal Au–Te-bearing deposits.
It is found associated with Pyrite, aikinite, tetradymite, calaverite, gold, chalcopyrite, covellite, bornite, chalcocite, galena, sphalerite, hematite (Buckhorn mine, Colorado, USA).
The name refers to its occurrence in the Buckhorn mine, Colorado, USA.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more B minerals or help write this entry.