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)