Detailed information
Species
Toyohaite
Dimensions
52 x 52 x 42
mm
Locality
Pirquitas Ag-Sn Deposit Rinconada Department Jujuy, Argentina
Condition
No recorded repairs
Rare pseudocubic crystals of metallic maroon Toyohaite (Ag2FeSn3S8) on botryoidal metallic micro-bladed crystals of Franckeite and Cylindrite from the Pirquitas silver-tin Deposit in Argentina. Franckeite from this locality was once named Potos'ite, but this species has since been discredited and is now classified as a Sn(II)-poor (tin II) variety of Franckeite. A nice example of some extremely rare minerals.