Lepidomelane — Lep i*dom e*lane (l[e^]p [i^]*d[o^]m [ e]*l[=a]n), n. [Gr. lepi s i dos, a scale + me las, me laina, black.] (Min.) An iron potash mica, of a raven black color, usually found in granitic rocks in small six sided tables, or as an aggregation of… … The Collaborative International Dictionary of English
lepidomelane — 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
lepidomelane — noun a mica that is a biotite containing iron • Hypernyms: ↑biotite * * * ˌlepədōˈmeˌlān noun ( s) Etymology: German lepidomelan, from lepid + melane : a mineral K2(Fe, Mg)4 6 … Useful english dictionary
lepidomelane — lep·i·do·mel·ane … English syllables
Litchfieldite — is a rare metamorphosed igneous rock. It is a variety of nepheline syenite and is composed of two near pure phases of feldspar, albite and microcline, with predominance of the first one, plus nepheline, sodalite, cancrinite and calcite. The mafic … Wikipedia
SYÉNITES ET SYÉNITES NÉPHÉLINIQUES — Le mot «syénite» désignait, du temps de Pline, les roches de Syène (Assouan), en Haute Égypte. Il fut appliqué par A. G. Werner (1788) à des roches à amphibole (hornblende) de la région de Dresde, qui se sont révélées plus tard pratiquement… … Encyclopédie Universelle
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