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礦物之美菱鎂礦-MAGNESITE)

MAGNESITE MgCO3 (trigonal) . calcite group . White translucent rhombohedral crystals . Brumado, Bahia, Brazil . 菱鎂礦晶体少見,常作菱形少見柱狀,硬度 3.5~5,玻璃至土狀光澤, 外觀似白雲石,但比白雲石重.

經典名礦欣賞
NO.225