Phenocryst

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starwarssketchcardsadigalliafeeling hotmewgaroowraeclastart

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hikereyes:FOTO MOKU - December 8, 2017 - dime-sized olivine crystal in Hawaiian basalt.By HikerEyes

dude9rino:piroxeno

Olivine groundmass with an orthopyroxene phenocryst

lemmingadventures: Feldspar! The size of Lemming! This is an appropriate scale bar.

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