Thin Section Slide Show

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Hornblende with opacite rim. Note excellent amphibole cleavage, and on the right, biotite, looking down the c axis at hexagonal plates, Crested Butte, CO.


Hornblende with opacite rim. Note excellent amphibole cleavage, and on the, right biotite, looking down the c axis at hexagonal plates, Crested Butte, CO.