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Fourmarierite from
Ruggles mine, Grafton, Grafton Co., New Hampshire, USA


Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Unconfirmed/Questioned
References
References:Frondel, C., 1956, Mineral Composition of Gummite, Am Min v 41: 539-568.
Comments
"Fourmarierite was doubtfully identified as a minor constituent of gummite from a number of localities, including ... Palermo and Ruggles pegmatites..."
Mineral and/or Locality
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