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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Pumpellyite Subgroup from
Fanwood Quarry (Weldon Quarry), Watchung, Somerset County, New Jersey, USA


05217740017362154795573.jpg
Pumpellyite Subgroup

Fanwood Quarry, Watchung, Somerset County, New Jersey, USA
05217740017362154795573.jpg
Pumpellyite Subgroup

Fanwood Quarry, Watchung, Somerset County, New Jersey, USA
00954430017362154811771.jpg
Pumpellyite Subgroup

Fanwood Quarry, Watchung, Somerset County, New Jersey, USA
Locality type:Quarry
Classification
Species:'Pumpellyite Subgroup' (not an IMA approved species)
Formula:Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
Comments:Occurs in fractures and cavities in Watchung basalt.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite5
Albite5
Data
Mineral Data:Click here to view Pumpellyite Subgroup data
Locality Data:Click here to view Fanwood Quarry (Weldon Quarry), Watchung, Somerset County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:65264
Long-form Identifier:1:3:65264:5
GUID (UUID V4):0
Nearest other occurrences of Pumpellyite Subgroup
7.8km (4.8 miles) ⓘHoudaille Quarry (Summit Quarry; Commonwealth Quarry), Springfield, Springfield Township, Union County, New Jersey, USA
17.1km (10.6 miles) ⓘRiker Hill, Livingston, Livingston, Essex County, New Jersey, USA
28.8km (17.9 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
30.4km (18.9 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
36.8km (22.8 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
97.4km (60.5 miles) ⓘKibblehouse Quarry, Perkiomenville, Marlborough Township, Montgomery County, Pennsylvania, USA
References
Cummings, Warren (1987) Mineralization at the Fanwood & Summit Quarries, New Jersey. Rocks & Minerals, 62 (3) 150-159 doi:10.1080/00357529.1987.11762647p.155
 
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