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Pyrolusite from
Roebling Quarry, Upper Merryall, New Milford, Litchfield County, Connecticut, USA


Locality type:Quarry
Classification
Species:Pyrolusite
Formula:Mn4+O2
Comments:No pyrolusite dendrite or staining in a granite pegmatite in the world has been verified as pyrolusite. The name was a mistake in the nineteenth century which has been widely publicized.
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Roebling Quarry, Upper Merryall, New Milford, Litchfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:131633
Long-form Identifier:1:3:131633:9
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
3.6km (2.3 miles) ⓘKent Iron Mine (Limonite mine), Kent, Litchfield County, Connecticut, USA
30.8km (19.1 miles) ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
30.9km (19.2 miles) ⓘInterstate 84 road cuts, Town of Southeast, Putnam County, New York, USA
33.5km (20.8 miles) ⓘSalisbury Mine (Brookpit; Old Hill Mine; Ore Hill Mine), Salisbury, Litchfield County, Connecticut, USA
34.3km (21.3 miles) ⓘBiermann Quarries (Bethel quarries; Codfish Hill Quarry), Bethel, Fairfield County, Connecticut, USA
40.1km (24.9 miles) ⓘScoville Mine, Salisbury, Litchfield County, Connecticut, USA
41.0km (25.4 miles) ⓘPfizer Company Marble Quarry, Canaan, North Canaan, Litchfield County, Connecticut, USA
43.2km (26.8 miles) ⓘFillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA
44.0km (27.3 miles) ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
44.3km (27.5 miles) ⓘOld Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
References
Januzzi, Ron E., Seaman, David M. (1976) Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut, USA.
 
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