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Definition of retgersite in US English:

retgersite

noun

Mineralogy

  • 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.

Origin

1940s. From the name of J. W. Retgers, Dutch chemist and crystallographer + -ite.

Pronunciation

retgersite

/ˈrɛtɡəzʌɪt/