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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Spinel from
Furnace Quarry, Franklin, Sussex County, New Jersey, USA


Locality type:Quarry
Classification
Species:Spinel
Formula:MgAl2O4
Comments:Occurs in Precambrian Franklin marble.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Spinel data
Locality Data:Click here to view Furnace Quarry, Franklin, Sussex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:51684
Long-form Identifier:1:3:51684:8
GUID (UUID V4):0
Nearest other occurrences of Spinel
0.4km (0.2 miles) ⓘFowler Quarry (Nichol Quarry; B. Nicoll Quarry; Nicoll Quarry; Nicol Quarry; Cellate Quarry), Franklin, Sussex County, New Jersey, USA
0.4km (0.3 miles) ⓘFranklin Iron Company Quarry (Pistol Range Quarry; Rifle Range Quarry), Franklin, Sussex County, New Jersey, USA
0.6km (0.4 miles) ⓘBuckwheat pit, Franklin Mine, Franklin, Sussex County, New Jersey, USA
1.6km (1.0 miles) ⓘMill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
2.0km (1.2 miles) ⓘFranklin Quarry, Franklin, Sussex County, New Jersey, USA
5.5km (3.4 miles) ⓘWindsor Quarry (Winsor Quarry), Rudeville, Hardyston Township, Sussex County, New Jersey, USA
8.0km (4.9 miles) ⓘMcAfee, Vernon Township, Sussex County, New Jersey, USA
9.8km (6.1 miles) ⓘLime Crest Quarry, Sparta Township, Sussex County, New Jersey, USA
18.7km (11.6 miles) ⓘBirch Mine, Rockaway Township, Morris County, New Jersey, USA
19.9km (12.4 miles) ⓘAmity giant spinel locality, Amity, Town of Warwick, Orange County, New York, USA
References
Dunn, Pete J. (1995) Franklin and Sterling Hill, New Jersey: The world's most magnificent mineral deposits Vol. 2. The Franklin-Ogdensburg Mineralogical Society.p.161
 
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