云南来利山锡矿锡石标型特征及其找矿意义
张弘,申俊峰,董国臣,刘圣强,王冬丽,王伟清

The study on the typomorphic characteristics of cassiterite of Lailishan tin deposit in Yunnan province and its prospecting significance
Hong Zhang,Junfeng Shen,Guochen Dong,Shengqiang Liu,Dongli Wang,Weiqing Wang
表2 来利山锡矿区不同矿段锡石的形态特征
Table 2 Morphological characteristics of cassiterite in different ore blocks of Lailishan tin deposit
矿段名称 锡石晶体形态
结晶习性 长宽比 粒度(mm) 其他特征
老熊窝 柱状、放射状 >3 <0.2 偶见膝状双晶
淘金处 粒状、双锥柱状 1~3 >0.2

可见六连晶、聚片

双晶、格子双晶

三个硐 柱状 >3 <0.05 ——