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Fluoropargasite: NaCa2(Mg3Fe++Al)5(Si6Al2O22)F2
Comments: Brown crystal of fluoropargasite. Location: Edenville, Orange Co., New York, USA. Scale: specimen size is 11.0 X 8.0 X 7.0 cm. © Erik Rutnik / New York State Museum
Parvo-mangano-edenite: Na(CaMn)2Mg5(Si7Al)O22(OH)2
Comments: Orange-brown parvo-mangano-edenite in gniess. Location: Balmat, St. Lawrence Co., New York, USA. Scale: Specimen Size 2.0 X 3.0 X 3.0 cm. © Erik Rutnik / New York State Museum