from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A mineral with monoclinic crystals, KLiFe2+Al(AlSi3)O10(F,OH)2, of the mica group.
from the GNU version of the Collaborative International Dictionary of English
- n. A kind of mica containing lithium, often associated with tin ore.
from The Century Dictionary and Cyclopedia
- n. A kind of mica related to lepidolite, but containing both lithium and iron: it is often found associated with tin ores, as at Zinnwald in the Erzgebirge.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a mica containing iron and lithium
Sorry, no etymologies found.
These include the cesium - and potassium-rich zeolites, pollucite and leucite, and the lithium-rich mica, zinnwaldite (a variety of the mineral lepidolite).