from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A soft, orthorhombic hydrocarbon mineral, usually greenish-yellow to light brown in colour with bluish fluorescence.

from The Century Dictionary and Cyclopedia

  • n. A massive opaque mineral with greasy luster and of greenish or brownish-black color, found in the quicksilver-mines of Idria in Carniola, Austria.


Idria, Slovenia, where it can be found, and -ite. (Wiktionary)


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