富蕴县是新疆阿尔泰山最有远景的宝石花岗伟晶岩区 ,目前发现已有 2 0余种矿物可作宝石。近期在野外进行花岗伟晶岩找矿时 ,发现两处花岗伟晶岩脉中富含金绿宝石矿物。达尔恰特某花岗伟晶岩脉 ,地表出露长约 2 0 0m,平均厚度约 1 .2 m,脉体产于石英黑云母片岩中 ,矿脉结构单一 Fuyun County is the most prosperous gem granite pegmatite area in Xinjiang Altai Mountains. So far, more than 20 kinds of minerals have been found as precious stones. Recent granite pegmatite ore prospecting in the wild, we found two granitic pegmatite gold-emerald mineral rich. Dalchachite a granite pegmatite vestiges, the surface exposed about 2 0 0m, an average thickness of about 1.2 m, veins produced in quartz biotite schist, single vein structure