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autunite
[ awt-n-ahyt, oh-tuhn-ahyt ]
noun
- a yellow mineral, a hydrous calcium uranium phosphate, CaU 2 P 2 O 12 â‹…8±á 2 O, occurring in crystals as nearly square tablets: a minor ore of uranium.
autunite
/ ˈɔ˳Ùəˌ²Ô²¹Éª³Ù /
noun
- a yellowish fluorescent radioactive mineral consisting of a hydrated calcium uranium phosphate in tetragonal crystalline form. It is found in uranium ores. Formula: Ca(UO 2 ) 2 (PO 4 ) 2 .10–12±á 2 O
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˜yÐÄvlog History and Origins
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˜yÐÄvlog History and Origins
Origin of autunite1
C19: named after Autun in France, one of the places where it was found, + -ite 1
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Example Sentences
Examples have not been reviewed.
The yellow rocks were autunite, a uranium-bearing ore, and the strike looked like the most promising yet made in the U.S.
Autunite, a hydrous phosphate of uranium and calcium, crystallizing in the rhombic system in yellow plates.
From
Autunite is usually found with pitchblende and other uranium minerals, or with ores of silver, tin and iron; it sometimes coats joint-planes in gneiss and pegmatite.
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