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礦物之美(鈣鈾雲母∼AUTUNITE)

AUTUNITE / META-AUTUNITE Ca(UO2)2(PO4)2·10-12H2O / Ca(UO2)2(PO4)2·6H2O (tetragonal) Daybreak Mine, Mount Spokane, Spokane County, Washington Bright fluorescent yellow- green, thin- plate crystals with subparallel twinning. 含鈾礦物時常呈現黃綠色,強放射性和螢光性.其中以鈣鈾雲母的板狀結晶最為突 出,平行重疊如書狀.各書間不同角度交叉,造形優美.硬度 2~2.5,在紫外線燈照射下發出強 烈的黃綠色螢光,嘆為觀止!
礦名來源:以產地 Autun, Saone-et-Loire, France. 為名.

經典名礦欣賞
NO.29