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
Allen Granite & Construction Co. Quarry, Mount Olive, 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
Comments:Occurs in a medium- to coarse-grained gneissic granite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hornblende Root Name Group data
Locality Data:Click here to view Allen Granite & Construction Co. Quarry, Mount Olive, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:70674
Long-form Identifier:1:3:70674:2
GUID (UUID V4):0
Nearest other occurrences of Hornblende Root Name Group
4.5km (2.8 miles) ⓘBEMCO prospect (Charlotte Mine), Cranberry Lake, Byram Township, Sussex County, New Jersey, USA
12.4km (7.7 miles) ⓘShiloh, Frelinghuysen Township, Jenny Jump Mountain, Warren County, New Jersey, USA
18.1km (11.2 miles) ⓘPort Murray feldspar deposit, Port Murray, Mansfield Township, Warren County, New Jersey, USA
22.0km (13.7 miles) ⓘUnnamed pegmatites, Wildcat Ridge Wildlife Management Area, Rockaway Township, Morris County, New Jersey, USA
23.6km (14.7 miles) ⓘAhles Mine (Osmun-Robeson Mine; Pequest), Oxford Furnace, Oxford Township, Warren County, New Jersey, USA
23.8km (14.8 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
25.9km (16.1 miles) ⓘMorristown occurrences, Morristown, Morris County, New Jersey, USA
27.5km (17.1 miles) ⓘGreen Pond Mines, Copperas Mountain, Rockaway Township, Morris County, New Jersey, USA
27.6km (17.2 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
28.8km (17.9 miles) ⓘCharlottesburg feldspar deposit, Rockaway Township, Morris County, New Jersey, USA
References
 
and/or  
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