| Hazard Information | Back Directory | [Definition]
ChEBI: A sulfide mineral with formula AsFeS. It is the most abundant and widespread arsenic mineral. | [Chemical Properties]
Arsenopyrite, FeAsS, crystals to 4 mm. Hidalgo del Parral, Chihuahua, Mexico.
 | [Physical properties]
Habit: faces striated, euhedral crystals, prismatic.
Color: tin white or light steel gray.
Luster: metallic.
Diaphaneity: opaque.
Streak: black.
Cleavage: {110} distinct.
Twinning: {100}, {101}, {012}.
Fracture: uneven, brittle. Electrical resistivity 20 to
300 μΩ.cm. |
| Safety Data | Back Directory | [Safety Profile]
Poison by intravenous
route. When heated to decomposition it
emits very toxic fumes of As and Sox | [Toxicity]
LD ipr-rat: >10 g/kg GTPZAB 28(7),53,84 |
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