Pyrite, chalcopyrite and arsenopyrite how to distinguish?
Arsenopyrite crystal is columnar, granular or aggregate into dense block. Tin white, metallic luster, Mohs hardness of 5.6, the proportion of garlic smell 6.2. struck.
The dense masses of chalcopyrite are sometimes similar to pyrite, but their color is deeper than pyrite and the hardness is lower than that of pyrite
Pyrite is yellow or yellow brown, density of 4.9 - 5.2. in white porcelain carving marks the green and black.
