英语语法分析

And the gold was close with pyrite and arsenopyrite.

且金与黄铁矿及毒砂关系密切。

Its gold content is closely related to pyrites and arsenopyrite.

矿石中的金以不可见金为主，含量与黄铁矿、毒砂关系密切。

Other minerals: Arsenopyrite, Native bi, bismuthinite, tetrahedrite, Hg, etc.

其它矿物：毒砂、自然铋、辉铋矿、黝铜矿、汞等。