Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Dolomite from
Delight Quarry (Soldier's Delight Quarry; Dyer Quarry), Soldiers' Delight ridge, Delight, Baltimore County, Maryland, USA


Locality type:Quarry
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Deweylite2
Antigorite2
Magnesite2
Chlorite Group1
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Delight Quarry (Soldier's Delight Quarry; Dyer Quarry), Soldiers' Delight ridge, Delight, Baltimore County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:149652
Long-form Identifier:1:3:149652:9
GUID (UUID V4):0
Nearest other occurrences of Dolomite
7.9km (4.9 miles) ⓘMarriottsville Quarry, Hernwood, Baltimore County, Maryland, USA
8.5km (5.3 miles) ⓘMineral Hill Mine, Louisville, Carroll County, Maryland, USA
13.4km (8.3 miles) ⓘMcMahon Quarry (Greenspring Quarry), Pikesville, Baltimore County, Maryland, USA
14.1km (8.8 miles) ⓘFrost Quarry, Davis, Howard County, Maryland, USA
15.4km (9.6 miles) ⓘBeaver Dam Quarry (Baker and Connelly Quarry), Cockeysville, Baltimore County, Maryland, USA
15.6km (9.7 miles) ⓘMartin Marietta Texas Quarry, Cockeysville, Baltimore County, Maryland, USA
15.7km (9.8 miles) ⓘBare Hills Serpentine Quarry East, Bare Hills, Baltimore County, Maryland, USA
18.5km (11.5 miles) ⓘCostley Gold Mine, Carroll County, Maryland, USA
30.2km (18.8 miles) ⓘBrighton Dam Road Quarry (Howard-Montgomery Quarry), Howard County, Maryland, USA
32.0km (19.9 miles) ⓘUnionville Mine, Frederick County, Maryland, USA
References
Rocks & Min.: 19:148.
 
and/or  
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