Definition of Thorite

1. Noun. A radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite.

Terms within: Atomic Number 90, Th, Thorium
Generic synonyms: Mineral

Definition of Thorite

1. n. A mineral of a brown to black color, or, as in the variety orangite, orange-yellow. It is essentially a silicate of thorium.

Definition of Thorite

1. Noun. (minerology) A radioactive mineral, composed mostly of thorium silicate (ThSiO4), along with silicates of uranium and the rare earths. ¹

¹ Source:

Definition of Thorite

1. a thorium ore [n -S]

Medical Definition of Thorite

1. A mineral of a brown to black colour, or, as in the variety orangite, orange-yellow. It is essentially a silicate of thorium. Origin: So called by Berzelius from the Scandinavian god Thor. See Thor. Source: Websters Dictionary (01 Mar 1998)

Thorite Pictures

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Lexicographical Neighbors of Thorite

thorite (current term)
thorium compounds
thorium dioxide
thorn apple
thorn apple crystals
thorn in someone's side
thorn in the flesh

Literary usage of Thorite

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

1. The Chemical News and Journal of Industrial Science (1898)
"thorite is a hydrated silicate of thorium ; its formula is ... Table I. shows the average composition of two samples of thorite and one of ..."

2. Descriptive Mineralogy by William Shirley Bayley (1917)
"... thorite occurs in simple crystals bounded by oo P(no) and P(1n) (Fig. 172), and in masses. The mineral is always more or less hydrated, ..."

3. Rock Minerals: Their Chemical and Physical Characters and Their by Joseph Paxson Iddings (1911)
"Crystal forms and habit like those of zircon. Also massive. Cleavage parallel to (110) distinct. Fracture conchoidal. H. = 4.5-5. Sp. gr. =4.4-4.8 thorite ..."

4. Select Methods in Chemical Analysis: (chiefly Inorganic) by William Crookes (1886)
"It seemed possible that the earth sought for might be present in larger quantity in the thorite, but that it had been gradually carried down mechanically or ..."

5. Economic Mineralogy: A Practical Guide to the Study of Useful Minerals by Thomas Crook (1921)
"The minerals of chief importance as a source of thoria are monazite. thorite, ... 70 to 90 per cent. of thoria (ThO2) and thorite from 50 to 70 per cent. ..."

6. China and the Allies by Arnold Henry Savage Landor (1901)
"CHAPTER XXXIV A great misfortune—Captain Reilly's body—A touching scene — thorite shells used on the second gate—Sharp-shooters- Supports—Erratic fire of ..."

7. Hand-book of Chemistry by Leopold Gmelin, Henry Watts (1849)
"thorite. Before the blowpipe this mineral assumes a brownish red colour without fusing. It is decomposed by hydrochloric acid with formation of a jelly. ..."

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