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Dominant species
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Luzonite
Luzonite
Chemical
Formula
Cu3AsS4
Species
Sulfides
Crystal
System
Tetragonal
Mohs
Scale
3
Specific
Gravity
4.47
Color
Deep pinkish-brown
Streak
Black.
Luster
Metallic
Diaphaneity
Opaque
Cleavage
Distinct/GoodGood on , distinct on .
Fracture
Irregular/Uneven, Conchoidal
Crystal Habit:Usually massively crystalline to granular, crystals rare and small, usually equant.
Geological Setting:A primary mineral of copper deposits, such as at Sierra de Famatina, Argentina.
 Luzonite mine and chemical compositions of sulfur arsenic copper but different crystal structure is different, both each other is dysmorphism mineral; Luzonite mine is generally block with purple brown, also known as the massive sulfide ore, but yield less than arsenic copper, gold in foreign mineral books listed as major Luzonite mine one of origin.

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