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
Federal Hill Granite Co. Quarry, Riverdale, Morris County, New Jersey, USA


Locality type:Quarry
Classification
Species:'Hornblende Root Name Group' (not an IMA approved species)
Formula:◻Ca2(C42+C3+)(AlSi7O22)W2
Colour:green
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hornblende Root Name Group data
Locality Data:Click here to view Federal Hill Granite Co. Quarry, Riverdale, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:71893
Long-form Identifier:1:3:71893:2
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
1.9km (1.2 miles) ⓘDe Bow Mine (De Bow Place Mine; Miller Mine), Riverdale, Morris County, New Jersey, USA
10.6km (6.6 miles) ⓘStonetown, Ringwood, Passaic County, New Jersey, USA
11.2km (7.0 miles) ⓘCharlottesburg feldspar deposit, Rockaway Township, Morris County, New Jersey, USA
11.6km (7.2 miles) ⓘHog Mountain Quarry, Montville Township, Morris County, New Jersey, USA
11.6km (7.2 miles) ⓘMontville serpentine deposit, Montville Township, Morris County, New Jersey, USA
12.6km (7.8 miles) ⓘGreen Pond Mines, Copperas Mountain, Rockaway Township, Morris County, New Jersey, USA
13.0km (8.1 miles) ⓘBoard feldspar deposit, Monks, Ringwood, Passaic County, New Jersey, USA
17.7km (11.0 miles) ⓘUnnamed pegmatites, Wildcat Ridge Wildlife Management Area, Rockaway Township, Morris County, New Jersey, USA
22.5km (14.0 miles) ⓘUpper California Mine, Sterling Mines group, Sterling Lake, Town of Warwick, Orange County, New York, USA
23.3km (14.5 miles) ⓘLake Mine, Sterling Lake, Town of Warwick, Orange County, New York, USA
References
 
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