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torbernite

[tawr-ber-nahyt] /ˈtɔr bərˌnaɪt/
noun
1.
a mineral, hydrated copper uranium phosphate, CuU 2 P 2 O 12 ⋅12H 2 O, occurring in square tabular crystals of a bright-green color: a minor ore of uranium; copper uranite.
Also called chalcolite.
Origin
1850-1855
1850-55; named after Torbern Bergman (1735-84), Swedish chemist; see -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for torbernite

torbernite

/ˈtɔːbəˌnaɪt/
noun
1.
a green secondary mineral consisting of hydrated copper uranium phosphate in the form of square platelike crystals. Formula: Cu(UO2)2(PO4)2.12H2O
Word Origin
C19: named after Torbern O. Bergman (1735–84), Swedish chemist; see -ite1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for torbernite

hydrated copper uranate phosphate mineral, Cu(UO2)2(PO4)28-12H2O, that is one of the principal uranium-bearing minerals. Usually associated with autunite, it occurs as green crystals or micalike masses that are weathering products of uraninite. Torbernite is abundant in Cornwall, Eng., and in Katanga province, Congo (Kinshasa). For detailed physical properties, see phosphate mineral (table)

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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