Where there is silicify arsenopyrit and pyriteization sometimes forms make of ore.

、毒砂黄铁矿集的地方往往成工业矿体。

Silicify or silicified rock is one more efficacious sign for exploring mine in Xikuangshan antimony deposit.

/岩石是锡矿山锑矿的一种很有效的找矿标志。