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Gummite
Gummite is a yellow amorphous mixture of uranium minerals, oxides, silicates and hydrates of uranium, derived from the alteration of uraninite. It is named for its gum-like consistency. The material was also known under various names, mostly because of different origins of the samples, including: eliasite from ''Elias'' – the name of a mine at Jáchymov, coracite – a variety from Lake Superior, pittinite, pechuran, urangummit and uranogummite. ==References==
*(Gummite on Mindat.org )
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Gummite」の詳細全文を読む
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