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Triphylite from
G. E. Smith Mine (Chandler Mills Quarry), Newport, Sullivan Co., New Hampshire, USA

Description
Comments:Triphylite from this locality has Mn/Mn + Fe = 0.09 (Chapman, 1943; Moore, 2000), but these crystals have an extraordinary amount of MgO (7.38 weight percent).
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:Chapman, C. A., 1943, Large Magnesia-rich Triphylite Crystals in pegmatite, American Mineralogist, v. 28, p. 90-98.
American Mineralogist: 37: 931-940.; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index; USGS Prof Paper 255; American Mineralogist (1953): 38: 728-729.
Moore, P. B., 2000, Analyses of Primary Phosphates from Pegmatites in Maine and Other Localities, in V. T. King (editor), Mineralogy of Maine. Mining History, Gems, and Geology, Maine Geological Survey, Augusta, Maine, p. 333-336.
Data
Mineral Data:Click here to view Triphylite data
Locality Data:Click here to view G. E. Smith Mine (Chandler Mills Quarry), Newport, Sullivan Co., New Hampshire, USA
Photo GalleryView Gallery (11 photos)
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