5 Photos
Famatinite
Chemical Formula	Cu3SbS4
Species	Sulfides
Crystal System	Tetragonal
Mohs Scale	3-4
Specific Gravity	4.66
Color	Deep pinkish brown
Streak	Black
Luster	Metallic
Diaphaneity	Opaque
Cleavage	Distinct/GoodGood on Distinct on
Fracture	Irregular/Uneven, Conchoidal
Crystal Habit：Massive, granular, reniform
Geological Setting：Low to moderate temperature copper deposits.

 Famatinite and Luzonite with affirmative system but chemical composition different isomorphism mineral, Famatinite Luzonite .Famatinite containing antimony and arsenic is a very rare mineral, Chinkuashih Famatinite crystal is recognized internationally as the most beautiful in the world, few add it all is produced in the mine pit, so it's very hard to get.