krennerite


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krennerite

[′kren·ə‚rīt]
(mineralogy)
AuTe2 A silver-white to pale-yellow mineral composed of gold telluride and often containing silver. Also known as white tellurium.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
It has yielded interesting specimens of crystalline gold, sylvanite, krennerite and native tellurium.
Coloradoite has been identified in polished sections from the Cardigan West shaft, in grains to 1 mm along quartz boundaries and as inclusions in krennerite (?) and calaverite (?).
Krennerite is known from the Emperor mine as a 3 X 4-cm specimen that used to be on display in the mine office of the former Mine Manager, P.
Rock Currier visited the Emperor mine some years ago, and reports that, "They had a watch glass full of krennerite (?) crystals up to about an inch long.
At least 120 mineral species have been reported, including fine specimens of calaverite, sylvanite, krennerite, melonite and creedite.
However, fine specimens of melonite, calaverite, sylvanite, krennerite, amethyst, and turquoise from Cripple Creek can be seen in many museums and are occasionally available to collectors.
Stage II includes deposition of milky to smoky quartz, pale purple fluorite, fine-grained pyrite, specular hematite, dolomite or ankerite, celestine, barite, roscoelite, sphalerite, galena, tetrahedrite, calaverite, krennerite, sylvanite, petzite, hessite, and native gold.
Coloradoite has been reported from the Moon Anchor mine (with native mercury) and Clara D claim (Gold Hill) (Eckel, 1997), and intergrown with galena and krennerite and associated with acanthite and jarosite at the Cresson mine (Hildebrand and Gott, 1974).
Krennerite occurs in the vein deposits as small, vertically striated silver-white to pale brass-yellow prisms that commonly have been misidentified as sylvanite or calaverite.
Thus, one finds arsenopyrite, kermesite, krennerite and others under the heading Native Elements.
From the classic Cripple Creek mines, small flat plates of granite or phonolite show gray or golden metallic smears, cleavage sections and little vugs of bright microcrystals of calaverite, syivanite and krennerite; one miniature shows liberal numbers or calaverite crystal blades to 3 mm on off-white drusy quartz.