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Thortveitite : ウィキペディア英語版 | Thortveitite
Thortveitite is a mineral consisting of scandium yttrium silicate (Sc,Y)2Si2O7. It is the primary source of scandium. Occurrence is in granitic pegmatites. It was named after Olaus Thortveit, a Norwegian engineer. It is grayish-green, black or gray in color. A transparent gem quality example was found in 2004, and reported in "The Journal of Gemmology", 2008 Volume 31. ==See also==
*List of minerals *List of minerals named after people
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「Thortveitite」の詳細全文を読む
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