Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Pyrolusite from
Tilden, Chalk Cliff Mining District, Chaffee County, Colorado, USA


Locality type:Mine
Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Tilden, Chalk Cliff Mining District, Chaffee County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:663600
Long-form Identifier:1:3:663600:5
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
7.1km (4.4 miles) ⓘIron Chest Mine, Chalk Creek District, Chaffee County, Colorado, USA
7.4km (4.6 miles) ⓘMary Murphy Mine, Chalk Creek District, Chaffee County, Colorado, USA
11.5km (7.1 miles) ⓘMason Mine, Monarch Mining District, Chaffee County, Colorado, USA
16.5km (10.3 miles) ⓘChimney Hill Mine (Morgan Ranch Deposits; Manganese Hill), Browns Canyon Mining District, Chaffee County, Colorado, USA
16.6km (10.3 miles) ⓘWhite King Deposit, Browns Canyon Mining District, Chaffee County, Colorado, USA
16.8km (10.4 miles) ⓘBlue Stone Deposit, Browns Canyon Mining District, Chaffee County, Colorado, USA
16.8km (10.4 miles) ⓘSnowflake Deposit, Browns Canyon Mining District, Chaffee County, Colorado, USA
17.0km (10.5 miles) ⓘPuzzle mine, Poncha Springs, Browns Canyon Mining District, Chaffee County, Colorado, USA
17.5km (10.9 miles) ⓘLast Chance Mine (Lower Adit; Kramer Mine; Adit No. 1; Adit No. 2), Browns Canyon Mining District, Chaffee County, Colorado, USA
17.8km (11.1 miles) ⓘ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
References
Dings, McClelland G., Robinson, C.S. (1957) Geology and ore deposits of the Garfield quadrangle, Colorado. Professional Paper 289. US Geological Survey doi:10.3133/pp289
 
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