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
Roseville Mine, Roseville, Byram Township, Sussex County, New Jersey, 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 Roseville Mine, Roseville, Byram Township, Sussex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73336
Long-form Identifier:1:3:73336:6
GUID (UUID V4):0
Nearest other occurrences of Dolomite
4.2km (2.6 miles) ⓘAndover Iron Furnace Quarry, Andover, Sussex County, New Jersey, USA
9.7km (6.1 miles) ⓘLime Crest Quarry, Sparta Township, Sussex County, New Jersey, USA
15.0km (9.3 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
16.1km (10.0 miles) ⓘFranklin Quarry, Franklin, Sussex County, New Jersey, USA
17.9km (11.1 miles) ⓘDavis Mine, Independence Township, Jenny Jump Mountain, Warren County, New Jersey, USA
18.6km (11.5 miles) ⓘBuckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
18.7km (11.6 miles) ⓘTaylor Road dumps, Franklin Mine, Franklin, Sussex County, New Jersey, USA
18.7km (11.6 miles) ⓘBuckwheat pit, Franklin Mine, Franklin, Sussex County, New Jersey, USA
18.8km (11.7 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
19.0km (11.8 miles) ⓘ46 Main Street, Franklin, Sussex County, New Jersey, USA
References
NJ State Geol. Ann. Rpt (1900):177
 
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