Boussingaultite
A variety of Minerals
What is Boussingaultite?
Boussingaultite is a rare sulfate mineral of the chemical formula: (NH4)2Mg(SO4)2·6(H2O). The formula of boussingaultite is that of Tutton's salts type. It was originally described from geothermal fields in Tuscany, Italy, where it occurs together with its iron analogue mohrite, but is more commonly found on burning coal dumps. The mineral possess monoclinic symmetry and forms clear, often rounded crystals. The mineral is named after the French chemist Jean-Baptiste Boussingault (1802–1887).
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Quick Facts
Physical Properties
- Color
- Colourless, yellowish-pink; colourless in transmitted light.
- Hardness (Mohs)
- 2
- Density
- 1.722 g/cm³
Chemical Properties
- Chemical Formula
- (NH4)2Mg(SO4)2 · 6H2O
- Elements
- H, Mg, N, O, S
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