emmonsite

emmonsite

[′em·ən‚zīt]
(mineralogy)
Fe2Te3O9·2H2O A yellow-green mineral composed of a hydrous oxide of iron and tellurium.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
These include apple-green emmonsite, and a vanadium-rich variety of the rare scandium phosphate kolbeckite in tiny lime-green crystals associated with sylvanite.
The tellurium may form "green oxide" (Loughlin and Koschmann, 1935) (the mineral emmonsite?).
Emmonsite [Fe.sub.2][Te.sub.3][O.sub.9] * 2[H.sub.2]O (SO)
Emmonsite is a green oxide of tellurium deposited as a result of alteration of tellurides by meteoric water (Loughlin and Koschmann, 1935).