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
BEMCO prospect (Charlotte Mine), Cranberry Lake, Byram Township, Sussex County, New Jersey, USA


Locality type:Prospect
Classification
Species:Albite var: Oligoclase
Formula:(Na,Ca)[Al(Si,Al)Si2O8]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Oligoclase data
Locality Data:Click here to view BEMCO prospect (Charlotte Mine), Cranberry Lake, Byram Township, Sussex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73125
Long-form Identifier:1:3:73125:2
GUID (UUID V4):0
Nearest other occurrences of Oligoclase
12.6km (7.9 miles) ⓘMase Mountain, Tierneys Corner, Jefferson Township, Morris County, New Jersey, USA
13.0km (8.1 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
15.5km (9.6 miles) ⓘAllen Mine, Rockaway Township, Morris County, New Jersey, USA
15.8km (9.8 miles) ⓘMarsh Mine, Washington Township, Morris County, New Jersey, USA
22.4km (13.9 miles) ⓘBeach Glen Mines (Beach Glenn Mine), Hibernia, Rockaway Township, Morris County, New Jersey, USA
22.7km (14.1 miles) ⓘFurnace Quarry, Franklin, Sussex County, New Jersey, USA
26.3km (16.3 miles) ⓘAhles Mine (Osmun-Robeson Mine; Pequest), Oxford Furnace, Oxford Township, Warren County, New Jersey, USA
43.6km (27.1 miles) ⓘKornerupine Group locality, Ringwood, Passaic County, New Jersey, USA
60.4km (37.5 miles) ⓘO'Neil Mine, Lake Mombasha, Town of Monroe, Orange County, New York, USA
61.8km (38.4 miles) ⓘClove Mine (Wilks Mine), Village of Monroe, Town of Monroe, Orange County, New York, USA
References
Jaffe, Howard W., Molinski, Victor J. (1962) Spencite, the yttrium analogue of tritomite from Sussex County, New Jersey. American Mineralogist, 47 (1-2) 9-25
US Dept. of Int. Bur. of Mines ROI #6885 (1967):12.
 
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