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FERRO-AXINITE Ca2FeAl2BSi4O15OH (triclinic) . translucent purplish-brown flattened crystals . Le Bourg d'Oisans, Isere, France . 斧石因角度十分尖銳似斧頭而 得名.硬度 6.5~7,玻璃光澤,透明到半透明, 常見棕紫色,常與綠簾石和綠 泥石等共生.
經典名礦欣賞 .2.3.4 NO.424