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#pyroxene #cleavage #augite #mineralogy #crystallography #silicate #dark mineral

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#augite #mineralogy #pyroxene group #silicate mineral #clinopyroxene #petrology #dark rock

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#augite #pyroxene #igneous rock #volcanic rock #dark mineral #silicate #mafic rock

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#augite #rock forming mineral #mountain rock #dark crystal #silicate #pyroxene #mineral deposit

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#augite #dark mineral #black crystal #silicate #pyroxene #clinopyroxene #rock forming mineral