Lexic.us

Definition of Lepidomelane

1. Noun. A mica that is a biotite containing iron.

Definition of Lepidomelane

1. n. An iron-potash mica, of a raven-black color, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales. See Mica.

Definition of Lepidomelane

1. Noun. (minerology) A black iron-potash mica, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales. ¹

¹ Source: wiktionary.com

Medical Definition of Lepidomelane

1. An iron-potash mica, of a raven-black colour, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales. See Mica. Origin: Fr, a scale +, black. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Lepidomelane

Literary usage of Lepidomelane

Below you will find example usage of this term as found in modern and/or classical literature:

1. Rock Minerals: Their Chemical and Physical Characters and Their by Joseph Paxson Iddings (1911)
"... phlogopite, lepidomelane, and most biotite. The angle between the optic axes, 2V, is almost 0° in some biotites, and is generally small in others, ..."

2. Mineralogy Simplified: Easy Methods of Identifying Minerals, Including Ores by Henry Erni, Amos Peaslee Brown (1908)
"Compare Allanite and lepidomelane above, which sometimes do not gelatinize perfectly. BIOTITE, (K,H)2(MgFe)2(Fe,Al)2(Si01)3, V. Black mica, transparent in ..."

3. Bulletin (1907)
"lepidomelane.—The mica present in the pegmatite veins in the rapids at "Wausau has the usual greenish-black or black color of ..."

4. Bulletin (1907)
"is present in the pegmatite, black mica was observed forming an abundant constituent of the coarse rock. lepidomelane.—An analysis of this mica ..."

5. The Geology of North Central Wisconsin by Samuel Weidman (1907)
"With respect to TiO, it is like the lepidomelane in similar rocks of southern Norway.1 This mica should be classed as a non-magnesian variety of biotite. ..."

6. Bulletin by Geological Survey (U.S.) (1915)
"lepidomelane. A. From Litchfield, Maine. Analyzed by FW Clarke and described in Bull. 42. B. Same as A. Later analysis by Clarke. See Bull. 55. C. Annite. ..."

7. Analyses of Rocks and Minerals from the Laboratory of the United States by Frank Wigglesworth Clarke (1915)
"lepidomelane. A. From Litchfield, Maine. Analyzed by FW Clarke and described in Bull. 42. B. Same as A. Later analysis by Clarke. See Bull. 55. C. Annite. ..."

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