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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Hornblende Root Name Group from
Charlottesburg feldspar deposit, Rockaway Township, Morris County, New Jersey, USA


Locality type:Deposit
Classification
Species:'Hornblende Root Name Group' (not an IMA approved species)
Formula:◻Ca2(C42+C3+)(AlSi7O22)W2
Comments:Occurs in a medium to coarse-grained granite or quartz monzonite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hornblende Root Name Group data
Locality Data:Click here to view Charlottesburg feldspar deposit, Rockaway Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:70670
Long-form Identifier:1:3:70670:6
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
1.4km (0.9 miles) ⓘGreen Pond Mines, Copperas Mountain, Rockaway Township, Morris County, New Jersey, USA
8.9km (5.5 miles) ⓘUnnamed pegmatites, Wildcat Ridge Wildlife Management Area, Rockaway Township, Morris County, New Jersey, USA
10.2km (6.3 miles) ⓘHog Mountain Quarry, Montville Township, Morris County, New Jersey, USA
10.2km (6.3 miles) ⓘMontville serpentine deposit, Montville Township, Morris County, New Jersey, USA
11.2km (7.0 miles) ⓘFederal Hill Granite Co. Quarry, Riverdale, Morris County, New Jersey, USA
11.3km (7.0 miles) ⓘDe Bow Mine (De Bow Place Mine; Miller Mine), Riverdale, Morris County, New Jersey, USA
15.1km (9.4 miles) ⓘStonetown, Ringwood, Passaic County, New Jersey, USA
17.1km (10.6 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
17.1km (10.6 miles) ⓘBoard feldspar deposit, Monks, Ringwood, Passaic County, New Jersey, USA
18.2km (11.3 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
References
 
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