Anorthosite

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asennnaapowerpuffpoopholedigibujobubb-blubb-blubb-blub-ewwwnovoselki

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LIVE

This rock is predominantly composed of quartz, alkali feldspar, and plagioclase. The alkali feldspar

Labradorite

optical-mineralogy:AnorthositePlagioclase Feldspar (polysynthetic twinning)Clinopyroxene

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