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SERANDITE Na(Mn,Ca)2Si3O8OH (triclinic) . pyroxenoid group . crystals with analcime Mont Saint Hilaire, Quebec, Canada . 針錳鈉石晶體呈厚板狀或長柱狀,肉紅色,硬度 4∼5.5,破裂面顯現 珍珠光澤,為罕見之礦!本標本白色結晶為方沸石.
經典名礦欣賞 .2.3.4.5 NO.165