cassiterite

It occurs chiefly as stannic oxide , SnO 2 in cassiterite.

主要以氧化物状态存在.

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One of the key problems in its origin is the solubility of cassiterite in granitic melt.

锡石在花岗质熔体中的溶解度,是阐明花岗岩全岩型锡矿成因的关键.

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