description Scorodite Overview
Scorodite is a hydrated iron(III) arsenate mineral with the chemical composition FeAsO4·2H2O. It commonly forms as a secondary mineral when arsenopyrite and other arsenic-bearing minerals undergo oxidation in ore deposits. Crystals may be blue, blue-green, green, or gray and can be transparent to translucent, making well-formed specimens of interest to mineral collectors. Because it contains arsenic, it should be handled carefully.
help Scorodite FAQ
What is the chemical formula of scorodite?
Scorodite is a hydrated iron(III) arsenate with the formula FeAsO4·2H2O. The formula shows that it contains iron, arsenate, and water in its crystal structure.
What colors can scorodite crystals be?
Scorodite crystals may be blue, blue-green, green, or gray. Color can vary with the mineral's formation conditions and impurities.
How does scorodite form?
Scorodite commonly forms as a secondary mineral when arsenopyrite and other arsenic-bearing minerals oxidize. This process occurs in ore deposits near altered or weathered mineral material.
Is scorodite an arsenic mineral?
Yes. Scorodite is an iron(III) arsenate, so arsenic is part of its chemical composition. Its formula is FeAsO4·2H2O.
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