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
Torne Quarry, Powerville, Boonton Township, Morris County, New Jersey, USA


Locality type:Quarry
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 Torne Quarry, Powerville, Boonton Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:73845
Long-form Identifier:1:3:73845:9
GUID (UUID V4):0
Nearest other occurrences of Ferro-hornblende
4.2km (2.6 miles) ⓘLake Valhalla Quarry (Gordon's Crystalline Limestone Quarry), Montville Township, Morris County, New Jersey, USA
4.3km (2.7 miles) ⓘBeach Glen Mines (Beach Glenn Mine), Hibernia, Rockaway Township, Morris County, New Jersey, USA
5.9km (3.7 miles) ⓘHibernia Mine, Hibernia, Rockaway Township, Morris County, New Jersey, USA
6.1km (3.8 miles) ⓘBeach Mine, Rockaway Township, Morris County, New Jersey, USA
8.9km (5.5 miles) ⓘMount Hope Mines (Mt Hope Mines), Mount Hope, Rockaway Township, Morris County, New Jersey, USA
9.1km (5.6 miles) ⓘMalley Quarry, Watnong Mountain, Parsippany-Troy Hills, Morris County, New Jersey, USA
9.2km (5.7 miles) ⓘSwede's Mine (Sweed's Mine), Rockaway Township, Morris County, New Jersey, USA
9.4km (5.8 miles) ⓘWild Cat Mine (Kitchell Mine), Copperas Mountain, Rockaway Township, Morris County, New Jersey, USA
9.9km (6.1 miles) ⓘTeabo Mines, Rockaway Township, Morris County, New Jersey, USA
10.5km (6.5 miles) ⓘThomas Fanning's Quarry, Dover, Morris County, New Jersey, USA
References
Rutgers Univ. Bull. #5, Pt 1: 42.
 
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