autunite

A Dictionary of Earth Sciences | 1999 | 360 words | Copyright

autunite Secondary mineral, Ca(UO₂)₂(PO₄)₂.10–12H₂O; sp. gr. 3.1; hardness 2.0–2.5; tetragonal; usually bright lemon-yellow to greenish-yellow; yellow streak; vitreous lustre; crystals tabular, square, forming foliated, scaly masses; cleavage perfect, basal; radioactive; fluorescent; occurs with torbernite in the oxidized zone of mineral veins.

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AILSA ALLABY and MICHAEL ALLABY. "autunite." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "autunite." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O13-autunite.html

AILSA ALLABY and MICHAEL ALLABY. "autunite." A Dictionary of Earth Sciences. 1999. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-autunite.html

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