Euhedral or anhedral ! do they hold their meaning same both in thin section and megascopic or not?

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Euhedral means crystal/grain having well shaped edges and faces. Euhedral and anhedral is quite different when you look in thin section and in hand specimen. In case of thin sectio...

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Basically euhedral means perfect grain boundaries are seen under microscope. and anhedral means no grain boundary perfectly developed all are fused. and if you are considering a...