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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Ferro-hornblende from
Allen Mine, Rockaway Township, Morris County, New Jersey, USA


Locality type:Mine
Classification
Species:Ferro-hornblende
Formula:◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ferro-hornblende data
Locality Data:Click here to view Allen Mine, Rockaway Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:70879
Long-form Identifier:1:3:70879:5
GUID (UUID V4):0
Nearest other occurrences of Ferro-hornblende
1.3km (0.8 miles) ⓘTeabo Mines, Rockaway Township, Morris County, New Jersey, USA
2.1km (1.3 miles) ⓘMt Pleasant Mine, Rockaway Township, Morris County, New Jersey, USA
2.4km (1.5 miles) ⓘOrchard Mine, Wharton, Morris County, New Jersey, USA
2.4km (1.5 miles) ⓘMount Hope Mines (Mt Hope Mines), Mount Hope, Rockaway Township, Morris County, New Jersey, USA
3.5km (2.2 miles) ⓘHubbard Mine, Irondale, Wharton, Morris County, New Jersey, USA
3.9km (2.4 miles) ⓘThomas Fanning's Quarry, Dover, Morris County, New Jersey, USA
4.3km (2.7 miles) ⓘCorwin Mine, Mine Hill, Morris County, New Jersey, USA
4.4km (2.8 miles) ⓘSwede's Mine (Sweed's Mine), Rockaway Township, Morris County, New Jersey, USA
4.6km (2.9 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
5.8km (3.6 miles) ⓘHurdtown Apatite Mine, Hurdtown, Jefferson Township, Morris County, New Jersey, USA
References
NJ State Geol. Ann. Rpt. (1856):198.
The Iron Mines of NJ (1910), Bayley:404.
 
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