Hydromica Schist — is a form of Schist containing hydromica which is itself a hydrated form of Mica, particularly potassium rich Muscovite. The schist usually has a silky lustre and may feel soapy … Wikipedia
Hydromica — Hy dro*mi ca, n. [Hydro , 1 + mica.] (Min.) A variety of potash mica containing water. It is less elastic than ordinary muscovite. [1913 Webster] {Hydromica schist} (Min.), a mica schist characterized by the presence of hydromica. It often has a… … The Collaborative International Dictionary of English
hydromica — 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… … The Collaborative International Dictionary of English
Mica schist — 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… … The Collaborative International Dictionary of English
biotite — 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… … The Collaborative International Dictionary of English
biotite — 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… … The Collaborative International Dictionary of English
cat-silver — 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… … The Collaborative International Dictionary of English
damourite — 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… … The Collaborative International Dictionary of English
glimmer — 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… … The Collaborative International Dictionary of English
isinglass — 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… … The Collaborative International Dictionary of English