Protoanthophyllite Image |
Mineral: | Protoanthophyllite: (Mg,Fe)7Si8O22(OH)2 | |||||
Comments: | Drill core showing white acicular crystalline aggregates of protoanthophyllite in matrix with a close up image on the right.. | |||||
Location: | Drill-core sample from the waste dump of the abandoned Takase chromite mine, Okayama Prefecture, Japan. | |||||
Scale: | Core size 3 cm. | |||||
Copyright: | © American Mineralogist | |||||
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