Skorodite is a supergene arsenic mineral found in the zone of deposits oxidation. In dense masses it occurs more often than in crystals. It is mined as a raw material for arsenic.
You can see skorodite stone for sale and buy it in the Minerals of Russia online store.
General | |
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Category | Arsenate minerals |
Formula (repeating unit) |
FeAsO4·2H2O |
IMA symbol | Scd |
Strunz classification | 8.CD.10 |
Crystal system | Orthorhombic |
Crystal class | Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) |
Space group | Pcab |
Unit cell | a = 8.937 Å, b = 10.278 Å c = 9.996 Å; Z = 8 |
Identification | |
Color | Green, blue-green, grey, grayish-green, blue, yellow-brown, nearly colorless, violet |
Fracture | Sub-Conchoidal |
Mohs scale hardness | 3.5-4 |
Luster | Sub-Adamantine, Vitreous, Resinous |
Streak | Greenish-White |
Diaphaneity | Translucent |
Density | measured: 3.27 g/cm3 calculated: 3.276 g/cm3 |
Optical properties | Biaxial (+) |
Pleochroism | Weak |
2V angle | Measured: 40° to 75° Calculated: 46° to 80° |
Dispersion | relatively strong r > v |