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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Dolomite from
Repp Mine, Frederick County, Maryland, USA


Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Repp Mine, Frederick County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:859943
Long-form Identifier:1:3:859943:8
GUID (UUID V4):0
Nearest other occurrences of Dolomite
4.4km (2.7 miles) ⓘLiberty Mine, Libertytown, Frederick County, Maryland, USA
5.1km (3.2 miles) ⓘUnionville Mine, Frederick County, Maryland, USA
7.3km (4.5 miles) ⓘRobert D. Repp Prospect (Portland Cement Company), Carroll County, Maryland, USA
18.8km (11.7 miles) ⓘCostley Gold Mine, Carroll County, Maryland, USA
26.7km (16.6 miles) ⓘMineral Hill Mine, Louisville, Carroll County, Maryland, USA
34.5km (21.4 miles) ⓘMarriottsville Quarry, Hernwood, Baltimore County, Maryland, USA
34.9km (21.7 miles) ⓘDelight Quarry (Soldier's Delight Quarry; Dyer Quarry), Soldiers' Delight ridge, Delight, Baltimore County, Maryland, USA
38.9km (24.1 miles) ⓘFrost Quarry, Davis, Howard County, Maryland, USA
41.5km (25.8 miles) ⓘBrighton Dam Road Quarry (Howard-Montgomery Quarry), Howard County, Maryland, USA
44.2km (27.5 miles) ⓘTschiffely (Wheatlands) Aggregate Quarry, Montgomery 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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