Torbernite

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torbernite

[′tȯr·bər‚nīt]
(mineralogy)
Cu(UO2)2(PO4)2·8-12H2O A green radioactive mineral crystallizing in the tetragonal system and occurring in tabular crystals or in foliated form. Also known as chalcolite; copper uranite; cuprouranite; uran-mica.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Torbernite

 

(or copper uranite), a mineral belonging to the subclass of simple hydrous phosphates. The chemical formula is Cu(UO2)2[PO4]2·12H2O. The high-temperature variety is metatorbernite, Cu(UO2)2[PO4]2·8H2O.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.