玄武岩中构成宝石的橄榄石产于二辉橄榄岩包体中和少量的捕虏晶中。

The gem-grade olivines exist in lherzolite enclaves and some xenocrysts.

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玄武岩中构成宝石的橄榄石产于二辉橄榄岩包体中和少量的捕虏晶中。

The gem-grade olivines exist in lherzolite enclaves and some xenocrysts.

youdao