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crocoite
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crocoite
crocoite Min. (ˈkrəʊkəʊaɪt) [Named 1838 by Berthier crocoise, f. Gr. κροκόεις saffron-coloured; altered by Dana in 1844 to crocoisite, and in 1868 to crocoite.] Native chromate of lead, a mineral of a red or orange colour.1844 Alger Phillips' Min. 554 Crocoise. 1861 Dana Min. 629.
Oxford English Dictionary
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Crocoite
Klaproth) the element chromium in crocoite. Gallery
Examples of crocoite
See also
Bellite
References
Bushmakin, A.F., 1996. Crocoite from the Berezovsk gold mines.
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which type of mineral is crocoite
Crocoite is a mineral consisting of lead chromate, PbCrO4, and crystallizing in the monoclinic crystal system.
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Vauquelinite
It occurs in oxidized hydrothermal ore deposits and is associated with crocoite, pyromorphite, mimetite, cerussite, beudantite and duftite at the type
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Hashemite (mineral)
Hashemite is stoichiometrically similar to crocoite and chromatite. Hashemite is orthorhombic, with space group Pnma.
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lehmannite
ˈlehmannite Min. [Named by H. J. Brooke and W. H. Miller, 1852, after Prof. J. G. Lehmann, of St. Petersburg, its discoverer: see -ite.] An obsolete synonym of crocoite.1852 Brooke & Miller Phillips' Min. 557 Lehmannite.
Oxford English Dictionary
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Dundasite
It commonly overgrows crocoite. It may also be overgrown by yellow cerussite. It may be associated with cerussite, plattnerite, azurite, malachite, pyromorphite, mimetite, beudantite, duftite, crocoite, gibbsite, allophane and limonite
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Mimetite
Bellite is a name formerly applied to a chromium-bearing mimetite, or possibly a mixture of crocoite, mimetite and quartz, which forms attractive orange
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Tsumcorite
Tsumcorite is yellow-brown, red-brown or orange in color, and it is one of the few minerals that have a yellow streak (orpiment and crocoite are two others
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铬铅矿
Crocoite from the Berezovsk gold mines. World of Stones, 10, 28-31
Bottrill, R.S., Williams, P., Dohnt, S., Sorrell, S. and Kemp, N.R. (2006). Crocoite and associated minerals from Dundas and other locations in Tasmania.
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Lead(II) chromate
It occurs also as the mineral crocoite. See also
Crocoite
Iranite
References
Safety (MSDS) data for lead chromate
Chemical Profile for lead chromate
J.T.
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Chrome orange
History
The natural mineral crocoite was discovered in 1797 by Louis Vauquelin and chrome orange was synthesized as a pigment for the first time in 1809
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Beryozovskoye deposit
The discovery of crocoite by Johann Gottlob Lehmann in 1766 at the Berezovsk Mines was the starting point of the discovery of the element chromium. Berezovsk Mines were for a long time the only source for crocoite and therefore the only source of the pigment chrome yellow.
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Chromate and dichromate
Crocoite, PbCrO4, which can occur as spectacular long red crystals, is the most commonly found chromate mineral.
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Cantonnier Lode
Only some joints are covered in pyromorphite and crocoite. The crocoite appears skeletal and the pyromorphite acicular.
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