from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hexagonal mineral containing hydrogen, nickel, oxygen, and silicon.
from the GNU version of the Collaborative International Dictionary of English
- n. An apple-green mineral having a greasy feel. It is a hydrous silicate of nickel, magnesia, aluminia, and iron.
from The Century Dictionary and Cyclopedia
- n. A mineral of an apple-green color, fat and unctuous to the touch, tender, and not fusible by the blowpipe. It is a hydrous silicate containing some nickel.