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torbernite
[ tawr-ber-nahyt ]
noun
- 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.
torbernite
/ ˈtɔːbəˌnaɪt /
noun
- a green secondary mineral consisting of hydrated copper uranium phosphate in the form of square platelike crystals. Formula: Cu(UO 2 ) 2 (PO 4 ) 2 .12H 2 O
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Word History and Origins
Origin of torbernite1
1850–55; named after Torbern Bergman (1735–84), Swedish chemist; -ite 1
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Word History and Origins
Origin of torbernite1
C19: named after Torbern O. Bergman (1735–84), Swedish chemist; see -ite 1
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Example Sentences
The colour is sulphur-yellow, and this enables the mineral to be distinguished at a glance from the emerald-green torbernite.
From Project Gutenberg
Though closely resembling the tetragonal torbernite in form, it crystallizes in the orthorhombic system and is optically biaxial.
From Project Gutenberg
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