Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Pyrolusite from
Reading Ore Banks, Boiling Springs, Cumberland County, Pennsylvania, USA


Locality type:Pit
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 Reading Ore Banks, Boiling Springs, Cumberland County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:301212
Long-form Identifier:1:3:301212:3
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
13.2km (8.2 miles) ⓘMoores Mill, Mount Holly Springs, Cumberland County, Pennsylvania, USA
34.5km (21.4 miles) ⓘCodorus Stone & Supply Co. Quarry, Emigsville, East Manchester Township, York County, Pennsylvania, USA
38.2km (23.7 miles) ⓘTeeter Quarry, Cumberland Township, Adams County, Pennsylvania, USA
56.5km (35.1 miles) ⓘMud Lake - Grubb Lake, West Hempfield Township, Lancaster County, Pennsylvania, USA
94.3km (58.6 miles) ⓘCedar Hill Quarry (Stoltzfuss Quarry), Fulton Township, Lancaster County, Pennsylvania, USA
98.5km (61.2 miles) ⓘSherman Valley Cryptomelane locality (Coles-Simon prospect; Coles-Simon open pit), Broad Top Township, Bedford County, Pennsylvania, USA
References
 
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