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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Brochantite from
Chimney Rock Quarry, Bridgewater Township, Somerset County, New Jersey, USA


Locality type:Quarry
Classification
Species:Brochantite
Formula:Cu4(SO4)(OH)6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Brochantite data
Locality Data:Click here to view Chimney Rock Quarry, Bridgewater Township, Somerset County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:47762
Long-form Identifier:1:3:47762:8
GUID (UUID V4):0
Nearest other occurrences of Brochantite
42.8km (26.6 miles) ⓘSchuyler Copper Mine, North Arlington, Bergen County, New Jersey, USA
44.9km (27.9 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
55.6km (34.5 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
59.7km (37.1 miles) ⓘDoan's Lead Mine (New Britain Mine), New Galena, New Britain Township, Bucks County, Pennsylvania, USA
90.2km (56.0 miles) ⓘEcton Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
96.6km (60.1 miles) ⓘWheatley Mines, Schuylkill Township, Chester County, Pennsylvania, USA
References
Sassen, Roger (1978) Natrolite and Associated Secondary Minerals at the Chimney Rock Quarry, Bound Brook, New Jersey. The Mineralogical Record, 9 (1) 25-31
 
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