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porphyry 07/21/2016 GFX Definition of the Day

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#LetsGetWordy #dailygfxdef #porphyry

Let's Get Wordy!®

porphyry 07/21/2016 Definition of the Day

porphyry - any #igneous #rock with #crystals embedded in a finer #groundmass of #minerals #LetsGetWordy #dailydef #porphyry