Category Sulfide minerals Strunz classification 2.BA.40 Space group Cmcm | Formula
(repeating unit) AgCuS Crystal system Orthorhombic | |
 | ||
Crystal class Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m) | ||
Stromeyerite is a sulfide mineral of copper and silver, with the chemical formula AgCuS. It forms opaque blue grey to dark blue orthorhombic crystals.
It was discovered in 1832 in Central Bohemia Region, Czech Republic, and named after the German chemist, Friedrich Stromeyer who performed the first analysis of the mineral.
References
Stromeyerite Wikipedia(Text) CC BY-SA