from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A rare copper phosphate hydroxide mineral that forms striking dark green orthorhombic crystals.
from the GNU version of the Collaborative International Dictionary of English
- n. A mineral of an olive-green color, commonly in orthorhombic crystals. It is a hydrous phosphate of copper.
from The Century Dictionary and Cyclopedia
- n. The basic phosphate of copper, a mineral first found at Libethen in Hungary, having an olive-green color and crystallizing in the orthorhombic system. It is isomorphous with olivenite.
German; Libethen is the German name for Ľubietová, Slovakia, where it was discovered. (Wiktionary)