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пятница, 22 сентября 2017 г.

mossy-rox:“Pigeonite” pyroxene under 20x magnification….

mossy-rox:“Pigeonite” pyroxene under 20x magnification….


mossy-rox:



“Pigeonite” pyroxene under 20x magnification. Pigeonite is named for the feathered texture of the crystal caused by exsolution, a reaction that alters the overall chemical composition of the grain. #crystals #rocks #geology #pyroxene



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