The gem-grade beryl, topaz and rock crystal are occurred in the well differentiated hypermiarolitic Be-bearing granitic pegmatite.

 
  • 分異良好的富晶洞含Be花崗偉晶巖,產(chǎn)寶石級的綠柱石、黃玉和水晶。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan