African Alexandrite is typically located in wet regions near rivers and mined by digging through river beds by hand to unearth the Alexandrite rich pegmatite rock.

 
  • 非洲亞歷山大石都典型地分布于臨河的濕潤地區,赤手沿河床挖掘,開(kāi)采富含亞歷山大石的偉晶巖。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan