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Home » Minerals » Arsenopyrite

Arsenopyrite


Mineral Properties and Uses



What is Arsenopyrite?



Arsenopyrite is an iron arsenic sulfide. It is the most common arsenic mineral and the primary ore of arsenic metal. Arsenopyrite is most often found as a hydrothermal vein mineral and sometimes as a mineral of contact metamorphism. It is sometimes referred to in old texts as "mispickel".


Physical Properties of Arsenopyrite

Chemical Classification sulfide
Color silver white to steel gray
Streak dark grayish black
Luster metallic
Diaphaneity opaque
Cleavage poor
Mohs Hardness 5.5 to 6
Specific Gravity 5.9 to 6.2
Diagnostic Properties smells like garlic when crushed, crystal form
Chemical Composition iron arsenic sulfide, FeAsS
Crystal System monoclinic
Uses poison, preservative, pigment



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Arsenopyrite
Arsenopyrite from Gold Hill, Utah. Specimen is approximately 4 inches (10 centimeters) across.




Mineral Information
 Andalusite
 Anhydrite
 Apatite
 Arsenopyrite
 Augite
 Azurite

 Barite
 Bauxite
 Beryl
 Biotite
 Bornite

 Calcite
 Cassiterite
 Chalcocite
 Chalcopyrite
 Chlorite
 Chromite
 Chrysoberyl
 Cinnabar
 Clinozoisite
 Copper
 Cordierite
 Corundum
 Cuprite
 Diamond
 Diopside
 Dolomite

 Enstatite
 Epidote

 Fluorite

 Galena
 Garnet
 Glauconite
 Gold
 Graphite
 Gypsum

 Halite
 Hematite
 Hornblende

 Ilmenite

 Jadeite

 Kyanite
 Limonite

 Magnesite
 Magnetite
 Malachite
 Marcasite
 Molybdenite
 Monazite
 Muscovite

 Nepheline
 Nephrite

 Olivine
 Orthoclase

 Plagioclase
 Prehnite
 Pyrite
 Pyrophyllite
 Pyrrhotite

 Quartz

 Rhodochrosite
 Rhodonite
 Rutile
 Scapolite
 Serpentine
 Siderite
 Sillimanite
 Silver
 Sodalite
 Sphalerite
 Spinel
 Spodumene
 Staurolite
 Sulfur
 Sylvite

 Talc
 Titanite
 Topaz
 Tourmaline
 Turquoise

 Uraninite

 Witherite
 Wollastonite

 Zircon
 Zoisite


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