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钠长石鉴定

Release date:2018-12-21  source:中南选矿网  Browse times:40
长石 Albite Na[AlSi3O8] 三斜晶系;对称型 1。 钠长石中常见简单双晶或复合双晶,出现的双晶有钠长石律,肖钠长石律,常见的依钠 长石律而成的聚片双晶,标本为薄板状集合体,浅肉红色,透明至半透明,玻璃光泽,有时 至珍珠光泽。条痕白色。解理{001}完全,{010}近于完全,{110}不完全,断口不平坦至贝 壳状。硬度6-6.5,比重2.60-2.63(实测),2.619(计算)。 产于低级变质岩,各种花岗伟晶岩、正长岩、钠霞正长石、细碧岩、粗面岩系和钠质花 岗岩等各种岩石中,也见于片麻岩和结晶片岩中。 产地:新疆可可托海

 
 
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