DescriptionPhlogopite-actinolite schist (Precambrian; near Custer, South Dakota, USA) 2 (49156003442).jpg Tourmaline schist from the Precambrian of South...
DescriptionPhlogopite-actinolite schist (Precambrian; near Custer, South Dakota, USA) 1 (49155293918).jpg Tourmaline schist from the Precambrian of South...
2 (Mg,Fe) 2 (Al,Fe) 2 (SiO 4 ) 3 [H,K(MgF) 3 Mg3 Al(SiO 4 ) 3 2 2 PHLOGOPITE Monoclinic Monoclinic 4) 3 3 3 (SiO 4 ) 3 ? MonocUnic Monoclinic...
spinel vesuvianite phlogopite , rutile zircon clinochlore brucite danburite talc calcite epidote apatite Crystalline schists. most part silicates...
addition to magnetite small amounts of phlogopite, aetinolite, and quartz. It is cut by veins of actinolite and dark hornblende and of a fine-grained...
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