MAGNETITE FeFe2O4 (cubic) . Octahedral and dodecahedral crystals. This mineral is highly magnetic! 晶體多作八面形，偶亦作十二面形，黑色金屬光澤，發生於雲母片岩，綠泥石片岩 中．具有磁性為其特性！

經典名礦欣賞 ．２．３．４．５．６．７
NO.34