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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Chalcocite from
Fairfield Quarry, Fairfield, Hamiltonban Township, Adams County, Pennsylvania, USA


Locality type:Quarry
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Fairfield Quarry, Fairfield, Hamiltonban Township, Adams County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:284229
Long-form Identifier:1:3:284229:5
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
9.2km (5.7 miles) ⓘPine Mountain, Iron Springs, Adams County, Pennsylvania, USA
12.0km (7.5 miles) ⓘTeeter Quarry, Cumberland Township, Adams County, Pennsylvania, USA
25.9km (16.1 miles) ⓘRobert D. Repp Prospect (Portland Cement Company), Carroll County, Maryland, USA
26.6km (16.6 miles) ⓘJohn Diggs Copper Mine, Carroll County, Maryland, USA
32.6km (20.2 miles) ⓘRepp Mine, Frederick County, Maryland, USA
36.3km (22.6 miles) ⓘLiberty Mine, Libertytown, Frederick County, Maryland, USA
36.3km (22.6 miles) ⓘHines Prospects, Frederick County, Maryland, USA
36.7km (22.8 miles) ⓘClapper Farm Cu-Au occurrence, Reading Township, Adams County, Pennsylvania, USA
36.8km (22.8 miles) ⓘRoop Mine, New Windsor, Carroll County, Maryland, USA
37.0km (23.0 miles) ⓘDolyhyde Mine (Dolly Hyde Mine), Libertytown, Frederick County, Maryland, USA
References
 
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