from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A yellow to dark brown mica, K(Mg,Fe)3AlSi3O10(OH)2, used in insulation.
from The Century Dictionary.
- noun A kind of magnesia mica (see
mica, 1) commonly occurring in crystalline limestone and in serpentine.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A kind of mica having generally a peculiar bronze-red or copperlike color and a pearly luster. It is a silicate of aluminia, with magnesia, potash, and some fluorine. It is characteristic of crystalline limestone or dolomite and serpentine. See
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A
mica mineralwith the chemical formula K Mg3 Al Si3 O10( F,O H)2, a basic potassium magnesium aluminosilicate, used as an insulator.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
The name phlogopite, named by F.A. Breithaupt in 1841, comes from the Greek word phologopos meaning fiery in reference to the reddish color seen on some specimens of this mica.
Vermiculite is formed by the alteration and/or weathering of the minerals biotite and phlogopite.
The two micas used as a commodity are: brown mica or phlogopite which contains iron and magnesium; and the "reddish, green, or white (or clear) mica" or muscovite which contains potassium and aluminum.
Mica is also used as segment plates between copper commutator sections to insulate copper from the steel; phlogopite mica is used because it wears at the same rate as the copper segments.
The mica group of minerals includes: biotite, muscovite, lepidolite, and phlogopite.
The breakdown of biotite and phlogopite creates vermiculite.
Phalaborwa to Maputo, and the Palmag project, which will extract various minerals from a substance known as phlogopite.
The plant would produce 330,000 tons of alumina, 300,000 tons of magnesia and 230,000 tons of potassium sulphate a year from mineral phlogopite currently being discarded as tailings from the phosphate operations of Foskor, the IDC said in a statement.
The phlogopite mica of Canada occurs in pyroxenite dikes.
Pet cheap plymouth hotels are disenchanted to refrigeration the medroxyprogesterone for pet phlogopite as the ingratitude of noncompliant for a pet are piggyback agamogenetic than june padding.