retgersite
/ˈrɛtɡəzʌɪt/Mineralogy
noun
A hydrated form of nickel sulphate which occurs as a secondary mineral associated with nickel ores, typically in the form of dark green crusts and tufts.
- Retgersite is nickel sulphate hexahydrate, NiSO4·6H2O. Crystal system: tetragonal..
Origin
1940s. From the name of J. W. Retgers, Dutch chemist and crystallographer + -ite.
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