Rokühnite
A variety of Minerals
What is Rokühnite?
Iron(II) chloride, also known as ferrous chloride, is the chemical compound of formula FeCl2. It is a paramagnetic solid with a high melting point. The compound is white, but typical samples are often off-white. FeCl2 crystallizes from water as the greenish tetrahydrate, which is the form that is most commonly encountered in commerce and the laboratory. There is also a dihydrate. The compound is highly soluble in water, giving pale green solutions.
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Rokühnite Localities Map
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Quick Facts
Physical Properties
- Color
- Colourless (transmitted light), light green
- Density
- 2.35 g/cm³
Chemical Properties
- Chemical Formula
- FeCl2 · 2H2O
- Elements
- Cl, Fe, H, O
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