叶碲铋矿在我国的首次发现

Pilsenite First Found in China

叶碲铋矿极为罕见 ,矿物学资料匮乏。高庄金矿的叶碲铋矿为中国首次发现 ,它主要产于磁黄铁矿 多金属阶段 ,与磁黄铁矿、黄铁矿、黄铜矿、碲银矿、自然金等共生。经电子探针分析 ,高庄金矿有多种铋碲化物 ,有三粒矿物的成分与标准叶碲铋矿完全一致。对一较大颗粒的叶碲铋矿做了单晶X射线衍射分析。Au与Bi在矿石和围岩中的含量呈共消长关系 ,Te与Bi可能对Au、Ag的迁移富集起了重要作用。

Pilsenite is a rare mineral and its information is deficient.The first found pilsenite in China is in Gaozhuang,Henan province.Pilsenite,associated with pyrrhotite,pyrite,hessite,gold,produced in pyrrhotite\|polymetallic stage.Three bismuth\|tellurides produced in Gaozhuang are well concordant with the standard pilsenite in composition,and other three are different from any of known bismuth\|tellurium minerals.Single crystal diffraction were made on a larger mineral grain of pilsenite.Au growth and decline together with Bi and Te in ores and wall\|rocks,which suggests that Bi and Te play a important role in migration and enrichment of Au.