Earth and the Environment

When does topaz crystals occur?

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Topaz crystals which are of the orthorhombic system occur in highly acid igneous rocks e.g. granites and rhyolites and in metamorphic rocks e.g. gneisses and schists.

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Similar questions: Does topaz crystals occur in highly acid igneous rocks? Is the orthorhombic system topaz crystals? [ Hide these questions ]

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