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蛇纹石

蛇纹石
基本资料
类别硅酸盐
化学式(Mg,Fe)3Si2O5(OH)4
性质
颜色绿色
晶系单斜晶系三斜晶系斜方晶系
断口贝壳状
莫氏硬度2.5~4.5
光泽松脂光泽
条痕白色
比重2.2~2.6
多色性强(Strong)

蛇纹石(英语:serpentine),是一种硅酸盐矿物群英语mineral group名称,其化学式为(Mg,Fe)3Si2O5(OH)4。蛇纹石是由橄榄石变质产生出来的绿色矿物,也是构成蛇纹岩的主要矿物。

介绍

蛇纹石是一个矿物群组总称,组别内约有二十多种不同性质的蛇纹石,要清楚分辨各种蛇纹石有相当的困难。不过当中有三种比较重要的种类是较为人所认知的,分别是叶蛇纹石(Antigorite)、纤蛇纹石英语ChrysotileChrysotile/white asbestos页面存档备份,存于互联网档案馆)及蜥蛇纹石英语LizarditeLizardite

分布地区

中国大陆辽宁省的岫岩县,称之为“岫岩石”或“岫石”,大陆其他各省份也有不少地方出产,中国文学中常提到的“葡萄美酒夜光杯”指的就是“酒泉岫石”[a]。“台湾墨玉”属于蛇纹石的一种,与“台湾玉”[2]生长在一起,却是由不同矿物种类组成,最大特色是带有蛇纹线条、并有高成分的磁铁矿石成分,颜色呈现深绿色或墨绿色。[3]

相关条目

参考资料

脚注
  1. ^ 或称“酒泉玉”或“祁连玉”,产于甘肃祁连山地区。[1]
引用
  1. ^ 蛇纹石质玉石. 矿物博物馆. 中国科学院计算机网络信息中心. [2014-03-20]. (原始内容存档于2015-11-17). 
  2. ^ 存档副本. [2015-11-04]. (原始内容存档于2020-04-11). 
  3. ^ 江昭伦. 發現新品種 「台灣墨玉」蘊藏量驚人. 财团法人中央广播电台. 2014-03-20. [永久失效链接]yam存档
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蛇纹石
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