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lepidolite

   Also found in: Wikipedia 0.04 sec.
le·pid·o·lite  (l-pdl-t)
n.
A lilac or pink to gray mineral of the mica group, K(Li,Al)3(Si,Al)4O10(F,OH)2, used as lithium ore and in ceramic production.

[lepido- + -lite.]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.lepidolite - a mineral of the mica group; an important source of lithium
atomic number 3, Li, lithium - a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
atomic number 37, Rb, rubidium - a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
isinglass, mica - any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity

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London and Evensen, 2002); (3) an increase in the Ca content of the fluids by interaction with the host schist; (4) an increase in host-rock permeability or porosity reflecting either rock type differences or fracture propagation related to deformation accommodating cooling of the granite pluton below; (5) precipitation of lepidolite within the vein selvage, removing F (ligand) and Li (buffer) from the fluids; or (6) simply because of decreases in pressure and/or temperature.
Minerals occurring in association with the tantalite include; spodumene, beryl, tourmaline, lepidolite and muscovite.
These holes were drilled on the eastern and western extensions of the Big Whopper system and on a newly-outlined dyke enriched in the lithium-rubidium mineral lepidolite ("the Lepidolite Dyke"), that is situated immediately northeast of the Big Whopper.
 
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