SERANDITE Na(Mn,Ca)2Si3O8OH (triclinic) . pyroxenoid group . crystals are thick tabular or prismatic，forming aggregates．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！常見與 calcite, analcime, vesuvianite, grossular garnet為伍．著名產地：St. Hilaire, Quebec, Canada and Roma Island, Los Islands, Guinea.

礦名來源：Name from J-M Serand,West African mineral collector．

經典名礦欣賞 ．２．３．４．５
NO.627