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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Tourmaline from
Morristown occurrences, Morristown, Morris County, New Jersey, USA


Locality type:Occurrence
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Morristown occurrences, Morristown, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:79831
Long-form Identifier:1:3:79831:8
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
13.8km (8.6 miles) ⓘDaniel Horton Mine (Horton Mine), Randolph Township, Morris County, New Jersey, USA
15.5km (9.6 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
21.8km (13.6 miles) ⓘAmerican Mine (Alpha Copper Mine; Bridgewater Mine; Somerville Mine; Somerville deposit), Bridgewater Township, Somerset County, New Jersey, USA
27.8km (17.3 miles) ⓘBEMCO prospect (Charlotte Mine), Cranberry Lake, Byram Township, Sussex County, New Jersey, USA
34.8km (21.6 miles) ⓘPassaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
35.8km (22.3 miles) ⓘFranklin Quarry, Franklin, Sussex County, New Jersey, USA
36.5km (22.7 miles) ⓘCreager Mine (Confucius Mine), Karrsville, Mansfield Township, Warren County, New Jersey, USA
40.3km (25.1 miles) ⓘSourland Mountain, Hillsborough Township, Somerset County, New Jersey, USA
41.8km (26.0 miles) ⓘNew York - Susquehanna & Western Railroad tunnel, Edgewater, Bergen County, New Jersey, USA
41.9km (26.1 miles) ⓘGriggstown Mine (Franklin Mine), Griggstown, Franklin Township, Somerset County, New Jersey, USA
References
Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1). New York Mineralogical Clubp.82
 
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