Lexic.us

Definition of Allanite

1. n. A silicate containing a large amount of cerium. It is usually black in color, opaque, and is related to epidote in form and composition.

Definition of Allanite

1. Noun. (minerology) Any of a group of silicate minerals that are a source of rare earth metals ¹

¹ Source: wiktionary.com

Definition of Allanite

1. a mineral [n -S]

Medical Definition of Allanite

1. A silicate containing a large amount of cerium. It is usually black in colour, opaque, and is related to epidote in form and composition. Origin: From T. Allan, who first distinguished it as a species. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Allanite

Literary usage of Allanite

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

1. Transactions of the American Institute of Mining, Metallurgical and (1917)
"In the course of the work he studied the mineral allanite (obtained from granite ledges at Topsham, Maine), and found it to be appreciably radio-active. ..."

2. The American Geologist by Newton Horace Winchell (1893)
"The two inner ones are doubtless allanite possessing zonal structure, ... Another description of allanite-epidote intergrowths is by Dr. Frank D. Adams ..."

3. The American Mineralogical Journal: Being a Collection of Facts and by Archibald Bruce (1814)
"allanite, Dr. T. Thompson, of Edinburgh, has lately analysed a mineral which he has named allanite, in compliment to Mr. T. Allan, of Edinburgh, ..."

4. The Geology of Worcester, Massachusetts by Joseph Hartshorn Perry, Benjamin Kendall Emerson (1903)
"The rock around this black spot may be rusty in appearance, which may be due to gummite which forms from the alteration of allanite; but more peculiar and ..."

5. Rock Minerals: Their Chemical and Physical Characters and Their by Joseph Paxson Iddings (1911)
"... allanite. Zoisite and epidote are similar in composition and in crystal forms, hardness, and specific gravity, and, though orthorhombic and monoclinic, ..."

6. The Non-metallic Minerals: Their Occurrence and Uses by George Perkins Merrill (1910)
"... varieties of the mineral, such as that from Persia, are highly esteemed for the manufacture of mosaics, vases, and other small ornaments. 8. allanite ..."

7. Retrospect of Philosophical, Mechanical, Chemical, and Agricultural Discoveries (1812)
"Experiments on allanite, a New Mineral from Greenland. ... in forming of it a new species, which he has named allanite, in honour of its discoverer. ..."

Other Resources: