A R S E N O P Y R I T E
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ArsenopyriteFeAsS
Class: Sulfide Hardness: 5.5 - 6 Density: 5.9 - 6.2 Streak: Black Lustre: Metallic Habit: Fine-grained Colours: Silver white to steel gray | | Crystal System: Monoclinic Cleavage: Indistinct Fracture: Uneven Magnetism: None Reaction with HCl: Unknown | Identification in hand sample: Gives off a garlic odour when crushed or heated. Colour is indicative. Associations: Most common arsenic-bearing mineral. Found in high temperature hydrothermal veins, associated with galena, sphalerite, pyrite, chalcopyrite, scheelite, cassiterite and pyrrhotite. Industrial / ecomonic uses: A possible source of arsenic, however better secondary sources from smelting processes of other ores exist. |