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Montmorillonite from
Ruggles Mine, Grafton, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:29561
Long-form Identifier:1:3:29561:7
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
18.8km (11.7 miles) ⓘRice Quarry, Groton, Grafton County, New Hampshire, USA
57.8km (35.9 miles) ⓘTurner Mine, Marlow, Cheshire County, New Hampshire, USA
60.7km (37.7 miles) ⓘBig Mine, Alstead, Cheshire County, New Hampshire, USA
75.0km (46.6 miles) ⓘParker Mountain Mine, Strafford, Strafford County, New Hampshire, USA
89.4km (55.5 miles) ⓘChandler Mine, Raymond, Rockingham County, New Hampshire, USA
References
Morrill, Philip (1960) New Hampshire Mines and Mineral Localities (2nd ed.). 47pp.
Smith, Arthur E. (2005) New Hampshire mineral locality index. Rocks & Minerals, 80 (4) 242-261 doi:10.3200/rmin.80.4.242-261
 
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