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


Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Unconfirmed/Questioned
References
References:http://speclab.cr.usgs.gov/spectral.lib04/DESCRIPT/orthoclase.HS13.html.
Comments
Sample description indicates it was a perthite plus muscovite and therefore not an orthoclase.
Mineral and/or Locality
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