white mica


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Related to white mica: Mica powder

white mica

[′wīt ′mī·kə]
(mineralogy)
References in periodicals archive ?
The presence of white mica (muscovite) and Li-mica (protolithionite) was acknowledged by microscopy of selected samples and by chemical analyses.
The early alteration stage in the Echassieres stock is represented by quartz, white mica, pyrophyllite, donbassite, tosudite and kaolinite, and the late stage is formed by quartz, fluorite, illite and smectite.
Illite and white mica display very low amounts of phengite component.
99 Table 4 Representative analyses of white mica and illite from topaz- albite granite and argillized granite of the Hub stock.
Stilpnomelane and biotite: K-bearing phases other than white mica and K-feldspar were only observed in FO0016.
Referring to potassic white mica and a constant, here relevant mineral assemblage, rising Si contents, which we prefer over decreasing Si contents, would point to increasing pressure.
2001) showed a strong scatter when those with pyrophyllite component in potassic white mica and amesite component in chlorite (see equilibria 1 and 2) were considered.
Ejemplos de resultados de presiones metamorficas obtenidas mediante el uso de datos termodinamicos Sample Equilibrium White Mica Chlorite P T Anal.