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Montmorillonite from
Colorado - American Mine (West Vein; Trefone Adit; East Vein; American Shaft; Mill Adit; Branch or Collins Vein), Browns Canyon Mining District, Chaffee County, Colorado, 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 Colorado - American Mine (West Vein; Trefone Adit; East Vein; American Shaft; Mill Adit; Branch or Collins Vein), Browns Canyon Mining District, Chaffee County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:372299
Long-form Identifier:1:3:372299:2
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
0.8km (0.5 miles) ⓘAlderman deposit, Browns Canyon Mining District, Chaffee County, Colorado, USA
1.1km (0.7 miles) ⓘSnowflake Deposit, Browns Canyon Mining District, Chaffee County, Colorado, USA
1.7km (1.0 miles) ⓘChimney Hill Mine (Morgan Ranch Deposits; Manganese Hill), Browns Canyon Mining District, Chaffee County, Colorado, USA
1.8km (1.1 miles) ⓘPuzzle mine, Poncha Springs, Browns Canyon Mining District, Chaffee County, Colorado, USA
2.0km (1.2 miles) ⓘBlue Stone Deposit, Browns Canyon Mining District, Chaffee County, Colorado, USA
2.1km (1.3 miles) ⓘWhite King Deposit, Browns Canyon Mining District, Chaffee County, Colorado, USA
2.2km (1.3 miles) ⓘLast Chance Mine (Lower Adit; Kramer Mine; Adit No. 1; Adit No. 2), Browns Canyon Mining District, Chaffee County, Colorado, USA
37.1km (23.1 miles) ⓘVilla Grove Turquoise Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
66.0km (41.0 miles) ⓘLost Canyon, Gunnison County, Colorado, USA
77.0km (47.8 miles) ⓘObsidian Quarry, Silver Cliff Mining District, Custer County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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