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礦物之美-(赤鐵礦∼HEMATITE)
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HEMATITE Fe2O3 (trigonal) . Tabular crystals with hexagonal outline,may form as rosettes,when they are called iron roses. Laura da Pedra Preta, Brumada, Bahia, Brazil . 赤鐵礦晶体多作厚到薄板狀,閃亮的鋼灰色,薄片時有時像花瓣狀,集結成 玫瑰形叫∼鐵玫瑰(iron rose)為收藏家最愛!若呈鐵黑色、金屬光澤的片狀赤鐵礦集合體稱為鏡鐵礦。摩氏硬度為5.5-6.5,比重5.0-5.3。中國著名產地有遼寧鞍山、甘肅鏡鐵山、湖北大冶、湖南寧鄉和河北宣化。 |
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