Stromeyerite

Stromeyerite or copper-silver glance^[2]: 223 is a sulfide mineral of copper and silver, with the chemical formula AgCuS. It forms opaque blue grey to dark blue orthorhombic crystals.

Stromeyerite
General
Category	Sulfide minerals
Formula	AgCuS
IMA symbol	Smy[1]
Strunz classification	2.BA.40
Crystal system	Orthorhombic
Crystal class	Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
Space group	Cmcm

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.^[3][4]

See also

• List of minerals
• List of minerals named after people