ホーム > Term: allanite
allanite
A monoclinic mineral, 2((Ca,Y,Ce)2(Fe,Al)3O(OH)(Si2O7)(SiO4)) ; epidote group; massive, pitchy, slightly radioactive, and metamict; a minor accessory in felsic igneous rocks and pegmatites. Formerly called orthite; cerine; bucklandite; treanorite.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
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(V.I.P) 21084 ポイント - 100% positive feedback
(Milwaukee, United States)
