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
Franklin Quarry, Franklin, Sussex County, New Jersey, USA


01526200017363170467351.jpg
Spinel

Franklin Quarry, Franklin, Sussex County, New Jersey, USA
01526200017363170467351.jpg
Spinel

Franklin Quarry, Franklin, Sussex County, New Jersey, USA
08796350017363170468444.jpg
Spinel

Franklin Quarry, Franklin, Sussex County, New Jersey, USA
Locality type:Quarry
Classification
Species:Spinel
Formula:MgAl2O4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Norbergite6
Graphite6
Calcite6
Diopside4
Data
Mineral Data:Click here to view Spinel data
Locality Data:Click here to view Franklin Quarry, Franklin, Sussex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:51370
Long-form Identifier:1:3:51370:8
GUID (UUID V4):0
Nearest other occurrences of Spinel
1.6km (1.0 miles) ⓘFowler Quarry (Nichol Quarry; B. Nicoll Quarry; Nicoll Quarry; Nicol Quarry; Cellate Quarry), Franklin, Sussex County, New Jersey, USA
2.0km (1.2 miles) ⓘFurnace Quarry, Franklin, Sussex County, New Jersey, USA
2.4km (1.5 miles) ⓘFranklin Iron Company Quarry (Pistol Range Quarry; Rifle Range Quarry), Franklin, Sussex County, New Jersey, USA
2.7km (1.7 miles) ⓘBuckwheat pit, Franklin Mine, Franklin, Sussex County, New Jersey, USA
3.6km (2.2 miles) ⓘMill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
7.5km (4.6 miles) ⓘWindsor Quarry (Winsor Quarry), Rudeville, Hardyston Township, Sussex County, New Jersey, USA
8.1km (5.0 miles) ⓘLime Crest Quarry, Sparta Township, Sussex County, New Jersey, USA
9.9km (6.2 miles) ⓘMcAfee, Vernon Township, Sussex County, New Jersey, USA
17.6km (10.9 miles) ⓘBirch Mine, Rockaway Township, Morris County, New Jersey, USA
21.6km (13.4 miles) ⓘLockwood, Byram Township, Sussex County, New Jersey, USA
References
Betancourt, P.P. (The Picking Table, Vol. 27(2):2-10.
 
and/or  
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