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
Carter's Chrome Mine, Little Britain Township, Lancaster County, Pennsylvania, 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 Carter's Chrome Mine, Little Britain Township, Lancaster County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:360552
Long-form Identifier:1:3:360552:3
GUID (UUID V4):0
Nearest other occurrences of Dolomite
0.1km (0.0 miles) ⓘWood's Chrome Mine, Texas, Little Britain Township, Lancaster County, Pennsylvania, USA
2.7km (1.7 miles) ⓘCedar Hill Quarry (Stoltzfuss Quarry), Fulton Township, Lancaster County, Pennsylvania, USA
3.6km (2.2 miles) ⓘHaines & Kibblehouse Penn-Maryland Materials Quarry, Fulton Township, Lancaster County, Pennsylvania, USA
5.6km (3.5 miles) ⓘGoat Hill Barrens, West Nottingham Township, Chester County, Pennsylvania, USA
7.5km (4.7 miles) ⓘWiant's Quarry (Weiant Quarry), Pilot, Cecil County, Maryland, USA
19.6km (12.2 miles) ⓘQuarryville Lime and Stone Company Quarry, Quarryville, Lancaster County, Pennsylvania, USA
20.0km (12.4 miles) ⓘMaryland Green Marble Corporation Quarry (Cardiff Serpentine Quarry), Cardiff, Harford County, Maryland, USA
23.9km (14.8 miles) ⓘDinning Rutile prospect, Clermont Mills, Harford County, Maryland, USA
31.9km (19.8 miles) ⓘSafe Harbor Quarry, Safe Harbor, Conestoga Township, Lancaster County, Pennsylvania, USA
34.2km (21.2 miles) ⓘHenry Pusey's quarry, Willowdale, East Marlboro Township, Chester County, Pennsylvania, USA
References
Samuel S. Gordon, pg. 206
Gordon, Samuel G. (1922) The Mineralogy of Pennsylvania. Special Publication 1. The Academy of Natural Sciences of Philadelphia 255pp.
 
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