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


Locality type:Quarry
Classification
Species:Albite var: Oligoclase
Formula:(Na,Ca)[Al(Si,Al)Si2O8]
Comments:Occurs in Precambrian Franklin marble.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Oligoclase data
Locality Data:Click here to view Furnace Quarry, Franklin, Sussex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:51685
Long-form Identifier:1:3:51685:7
GUID (UUID V4):0
Nearest other occurrences of Oligoclase
18.2km (11.3 miles) ⓘMase Mountain, Tierneys Corner, Jefferson Township, Morris County, New Jersey, USA
21.2km (13.2 miles) ⓘBeach Glen Mines (Beach Glenn Mine), Hibernia, Rockaway Township, Morris County, New Jersey, USA
21.4km (13.3 miles) ⓘAllen Mine, Rockaway Township, Morris County, New Jersey, USA
22.7km (14.1 miles) ⓘBEMCO prospect (Charlotte Mine), Cranberry Lake, Byram Township, Sussex County, New Jersey, USA
24.4km (15.1 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
25.5km (15.9 miles) ⓘKornerupine Group locality, Ringwood, Passaic County, New Jersey, USA
38.4km (23.8 miles) ⓘMarsh Mine, Washington Township, Morris County, New Jersey, USA
39.2km (24.3 miles) ⓘO'Neil Mine, Lake Mombasha, Town of Monroe, Orange County, New York, USA
40.0km (24.8 miles) ⓘClove Mine (Wilks Mine), Village of Monroe, Town of Monroe, Orange County, New York, USA
42.2km (26.2 miles) ⓘVillage of Monroe, Town of Monroe, 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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