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Montmorillonite from
Boney Falls, Escanaba River, Delta County, Michigan, USA


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 Boney Falls, Escanaba River, Delta County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:416778
Long-form Identifier:1:3:416778:5
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
30.5km (18.9 miles) ⓘEscanaba, Delta County, Michigan, USA
56.4km (35.1 miles) ⓘPalmer Gneiss (2), Palmer, Richmond Township, Marquette County, Michigan, USA
62.1km (38.6 miles) ⓘTracy Mine, Negaunee, Marquette County, Michigan, USA
References
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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