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
Board feldspar deposit, Monks, Ringwood, Passaic 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 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 Board feldspar deposit, Monks, Ringwood, Passaic County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:70656
Long-form Identifier:1:3:70656:6
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
2.4km (1.5 miles) ⓘStonetown, Ringwood, Passaic County, New Jersey, USA
9.9km (6.2 miles) ⓘUpper California Mine, Sterling Mines group, Sterling Lake, Town of Warwick, Orange County, New York, USA
10.6km (6.6 miles) ⓘLake Mine, Sterling Lake, Town of Warwick, Orange County, New York, USA
11.6km (7.2 miles) ⓘAugusta Mine, Southfields, Town of Tuxedo, Orange County, New York, USA
13.0km (8.1 miles) ⓘFederal Hill Granite Co. Quarry, Riverdale, Morris County, New Jersey, USA
14.8km (9.2 miles) ⓘDe Bow Mine (De Bow Place Mine; Miller Mine), Riverdale, Morris County, New Jersey, USA
17.1km (10.6 miles) ⓘCharlottesburg feldspar deposit, Rockaway Township, Morris County, New Jersey, USA
18.1km (11.2 miles) ⓘGreen Pond Mines, Copperas Mountain, Rockaway Township, Morris County, New Jersey, USA
20.0km (12.4 miles) ⓘEdenville, Town of Warwick, Orange County, New York, USA
23.3km (14.5 miles) ⓘHog Mountain Quarry, Montville Township, Morris County, New Jersey, USA
References
 
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