lapis lazuli

• The joint british - afghan survey found significant deposits of natural gas , petroleum and coal ; copper , chromate , talc , barites , sulphur , gold , lead , zinc , iron ore and salt ; and precious and semi - precious stones including high - quality rubies , emeralds and much of the world ' s supply of lapis lazuli ( pictured )
  英阿联合勘测队发现了意义重大的天然气、石油和煤矿；铜、铬酸盐、石膏、重晶石、硫磺、金、铅、锌、铁和盐矿；富含高质量红宝石的宝石和亚宝石矿，以及世界上大多数的天青石资源（如图） 。