Definition of Micas. Meaning of Micas. Synonyms of Micas

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Definition of Micas

Mica
Mica Mi"ca, n. [L. mica crumb, grain, particle; cf. F. mica.] (Min.) The name of a group of minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic. They differ widely in composition, and vary in color from pale brown or yellow to green or black. The transparent forms are used in lanterns, the doors of stoves, etc., being popularly called isinglass. Formerly called also cat-silver, and glimmer. Note: The important species of the mica group are: muscovite, common or potash mica, pale brown or green, often silvery, including damourite (also called hydromica); biotite, iron-magnesia mica, dark brown, green, or black; lepidomelane, iron, mica, black; phlogopite, magnesia mica, colorless, yellow, brown; lepidolite, lithia mica, rose-red, lilac. Mica (usually muscovite, also biotite) is an essential constituent of granite, gneiss, and mica slate; biotite is common in many eruptive rocks; phlogopite in crystalline limestone and serpentine. Mica diorite (Min.), an eruptive rock allied to diorite but containing mica (biotite) instead of hornblende. Mica powder, a kind of dynamite containing fine scales of mica. Mica schist, Mica slate (Geol.), a schistose rock, consisting of mica and quartz with, usually, some feldspar.

Meaning of Micas from wikipedia

- whereas if the X ion is Ca, the mica is classed as a brittle mica. Muscovite Paragonite Brittle micas: Margarite Common micas: Biotite Lepidolite Phlogopite...
- Look up mica in Wiktionary, the free dictionary. Mica is a group of sheet silicate minerals. Mica, MiCA, MICA, or MICAS may also refer to: ****ne Islands...
- openly ****, as she lived with her partner Nathalie Micas for over 40 years until Micas's death, after which she lived with American painter Anna...
- The MICA (French: Missile d'Interception, de Combat et d'Auto-défense, lit. 'Missile for Interception, Combat and Auto(or Self)-defense') is a French anti-air...
- metamorphosed from mudstone is particularly common and is often very rich in mica (a mica schist). Where the type of the original rock (the protolith) is discernible...
- softer than micas and have a greasy feel, while chlorite is green in color and its cleavage sheets are inelastic. The other common mica mineral, biotite...
- mineral group. The term biotite is still used to describe unanalysed dark micas in the field. Biotite was named by J.F.L. Hausmann in 1847 in honor of the...
- Cameron Mica Boyce (May 28, 1999 – July 6, 2019) was an American actor. He began his career as a child actor, appearing in the 2008 films Mirrors and Eagle...
- termed the Mica scandal in 2011, which is the point at which homes and other buildings began showing signs of cracking and decay. The term "mica scandal"...
- charts. The mission was saved when the MICAS camera was reprogrammed to substitute for the star tracker. Although MICAS is more sensitive, its field-of-view...