Hocartite
Hocartite is an IMA-recognized mineral species in the sulfide class, with the chemical formula Ag₂FeSnS₄.
It crystallizes in the tetragonal crystal system. It is a member of the Sphalerite, Stannite structural group.
Key properties: Mohs hardness 4; specific gravity 4.77.
IMA symbol Hoc, IMA status: approved, named in 1967.
Of relatively high-temperature origin, typically in hydrothrmal tin-bearing deposits.
It is found associated with Cassiterite, cylindrite, franckeite, suredaite, stannite, canfieldite, tetrahedrite, pyrargyrite, silver, sphalerite, wurtzite, siderite, fluorite.
The mineral was named to honor Raymond Hocart (1896–1983), Professor of Mineralogy, University of Paris, Paris, France.
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 H minerals or help write this entry.