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礦物之美－（星葉石∼ASTROPHYLLITE）
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ASTROPHYLLITE (K,Na)3(Fe,Mn)7Ti2Si8O24(O,OH)7 (triclinic) . astrophyllite group . golden brown micaceous, columnar, often grouped with starlike aggregates . Kola Peninsula, Russia . 星葉石晶體呈薄片狀，細柱狀．金棕色金屬光澤，硬度 3.5~4.5．常見星狀放 射狀於霞石正長岩中∼Nepheline syenites . |
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