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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Quartz from
Repp Mine, Frederick County, Maryland, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Repp Mine, Frederick County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:1010406
Long-form Identifier:1:3:1010406:8
GUID (UUID V4):0
Nearest other occurrences of Quartz
4.4km (2.7 miles) ⓘLiberty Mine, Libertytown, Frederick County, Maryland, USA
5.1km (3.2 miles) ⓘUnionville Mine, Frederick County, Maryland, USA
5.3km (3.3 miles) ⓘHines Prospects, Frederick County, Maryland, USA
5.8km (3.6 miles) ⓘUnion Bridge Quarry & Cement Plant, Union Bridge, Carroll County, Maryland, USA
5.9km (3.7 miles) ⓘHammond Prospect (Pittinger Prospect), Frederick County, Maryland, USA
6.5km (4.0 miles) ⓘCox Mines (Mountain View Mine), Frederick County, Maryland, USA
6.5km (4.1 miles) ⓘJohn Diggs Copper Mine, Carroll County, Maryland, USA
7.3km (4.5 miles) ⓘRobert D. Repp Prospect (Portland Cement Company), Carroll County, Maryland, USA
8.8km (5.5 miles) ⓘRoop Mine, New Windsor, Carroll County, Maryland, USA
9.5km (5.9 miles) ⓘHeidelberg New Windsor Limestone Quarry, New Windsor, Carroll County, Maryland, USA
References
Heyl, A. & Pearre, N (1965) Copper, zinc, lead, iron cobalt and barite deposits of the Piedmont Upland in Maryland: Maryland Geological Survey: Bulletin 28, 72 p.
 
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