GRD01WSS0
M-378
Greenschist
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Ritter 154 › Cabinet 14 › Drawer D
fine-grained
Medium-sized sample of chlorite-chloritoid-pyrite schist. Fine-grained green phyllosilicates. The small black crystals are chloritiod (hexagonal and perfect 1-directional cleavage). Trace amounts of small pyrite crystals (often associated with chloritoid). Poorly developed slaty cleavage. Original label: Chloritoid schist. Chloritiod?-chlorite?-amphibole?-pyrite.
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