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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Manganese (commodity) from
Potomac Refining Company Mine (Dargan Mine), Dargan, Washington County, Maryland, USA


Locality type:Mine
Classification
Commodity:Manganese (commodity)
Data
Commodity Data:Click here to view Manganese (commodity) data
Locality Data:Click here to view Potomac Refining Company Mine (Dargan Mine), Dargan, Washington County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:1644795
Long-form Identifier:1:3:1644795:6
GUID (UUID V4):0
Nearest other deposits of Manganese (commodity)
48.4km (30.1 miles) Sterling Copper Occurrence, Sterling, Loudoun County, Virginia, USA
60.0km (37.3 miles) Seible Mine (Happy Creek Mine), Happy Creek, Warren County, Virginia, USA
71.3km (44.3 miles) Nelson No. 2 Prospect, Cedar Creek Valley Mining District, Frederick County, Virginia, USA
72.5km (45.0 miles) Nelson No. 1 Prospect, Cedar Creek Valley Mining District, Frederick County, Virginia, USA
72.8km (45.2 miles) Limestone Ridge Prospect, Cedar Creek Valley Mining District, Frederick County, Virginia, USA
73.0km (45.4 miles) Moses Orndorff Prospect, Cedar Creek Valley Mining District, Frederick County, Virginia, USA
73.9km (45.9 miles) Mineral Ridge Mine, Shenandoah County, Virginia, USA
74.9km (46.6 miles) Philadelphia Mine, Little Fort Valley, Shenandoah County, Virginia, USA
75.2km (46.7 miles) Mudhole Gap prospect, Little Fort Valley, Shenandoah County, Virginia, USA
75.8km (47.1 miles) McCune Prospect, Cedar Creek Valley Mining District, Shenandoah County, Virginia, USA
 
and/or  
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