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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Prehnite from
Franklin Mine, Franklin, Sussex County, New Jersey, USA


07753670017272038749016.jpg
Prehnite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
07402120017362083665617.jpg
Prehnite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02279370017362083675764.jpg
Prehnite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
09997870017272029332173.jpg
Prehnite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
07753670017272038749016.jpg
Prehnite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
07402120017362083665617.jpg
Prehnite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02279370017362083675764.jpg
Prehnite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
09997870017272029332173.jpg
Prehnite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
07753670017272038749016.jpg
Prehnite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
07750740017362083671329.jpg
Prehnite

Franklin Mine, Franklin, Sussex County, New Jersey, USA
02188400017362083681596.jpg
Prehnite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
07112520017272029365907.jpg
Prehnite, etc.

Franklin Mine, Franklin, Sussex County, New Jersey, USA
Locality type:Mine
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Willemite33
Andradite27
Xonotlite20
Axinite-(Mn)19
Pectolite19
Clinohedrite18
Hancockite17
Charlesite16
Ganophyllite16
Datolite11
Margarosanite8
Hendricksite8
Pennantite5
Roeblingite5
Franklinite4
Calcite3
Nasonite2
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Franklin Mine, Franklin, Sussex County, New Jersey, USA
Photo GalleryView Gallery (10 photos)
Data Identifiers
Mindat Occurrence Record ID:49996
Long-form Identifier:1:3:49996:7
GUID (UUID V4):0
Localities for Prehnite in this Region
Mill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Parker shaft, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Nearest other occurrences of Prehnite
0.6km (0.4 miles) ⓘParker shaft, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.8km (0.5 miles) ⓘMill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
34.9km (21.7 miles) ⓘMountain View, Wayne Township, Passaic County, New Jersey, USA
38.4km (23.9 miles) ⓘBraen Quarry, Haledon, Passaic County, New Jersey, USA
39.3km (24.4 miles) ⓘBraens Quarry, North Haledon, Passaic County, New Jersey, USA
39.6km (24.6 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
40.4km (25.1 miles) ⓘRiverside Quarry, Woodland Park, Passaic County, New Jersey, USA
40.6km (25.2 miles) ⓘHinchcliffe Stadium, Paterson, Passaic County, New Jersey, USA
40.7km (25.3 miles) ⓘMcBride Avenue & Browertown Road pumping station, Woodland Park, Passaic County, New Jersey, USA
40.9km (25.4 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
References
Palache, Charles (1935) The minerals of Franklin and Sterling Hill, Sussex County, New Jersey. Professional Paper 180. US Geological Survey 135 pp. doi:10.3133/pp180 p.101
Dunn, Pete J. (1995) Franklin and Sterling Hill, New Jersey: The world's most magnificent mineral deposits Vol. 4. The Franklin-Ogdensburg Mineralogical Society.
 
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