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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Thomsonite-Ca from
Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA


06408640017272024115512.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
04110690017272016307054.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
06828630017272016338846.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
04294410017272024855791.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
02679950017866585139878.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
03281030017866585192625.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
06828630017272016338846.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
04294410017272024855791.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
00130700017368037866032.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
04110690017272016307054.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
06828630017272016338846.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
04294410017272024855791.jpg
Thomsonite-Ca, etc.

Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
Locality type:Quarry
Classification
Species:Thomsonite-Ca
Formula:NaCa2[Al5Si5O20] · 6H2O
Habit:Bladed crystals arranged in hemispherical clusters to 6 cm.
Colour:White to colorless
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Prehnite16
Analcime2
Datolite2
Calcite2
Pectolite1
Natrolite1
Data
Mineral Data:Click here to view Thomsonite-Ca data
Locality Data:Click here to view Lower New Street Quarry, Paterson, Passaic County, New Jersey, USA
Photo GalleryView Gallery (20 photos)
Data Identifiers
Mindat Occurrence Record ID:38819
Long-form Identifier:1:3:38819:3
GUID (UUID V4):0
Nearest other occurrences of Thomsonite-Ca
0.2km (0.1 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
4.1km (2.5 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
4.1km (2.6 miles) ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
21.2km (13.1 miles) ⓘDelaware - Lackawanna & Western Railroad tunnels, Bergen Hill, Jersey City, Hudson County, New Jersey, USA
38.7km (24.0 miles) ⓘMillington Quarry, Bernards Township, Somerset County, New Jersey, USA
40.3km (25.0 miles) ⓘPassaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
40.9km (25.4 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
41.3km (25.7 miles) ⓘMill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
48.3km (30.0 miles) ⓘPeekskill, Westchester County, New York, USA
72.6km (45.1 miles) ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA
References
NJ Geol. Survey Bull. #64, Trap Rock Minerals of NJ, Mason, B. (1960).
Peters, Thomas A., Peters, Joseph J. (1978) Famous Mineral Localities: Paterson, New Jersey. The Mineralogical Record, 9 (3) 157-179
Peters, Joseph J. (1984) Triassic Traprock Minerals of New Jersey. Rocks & Minerals, 59 (4) 157-183 doi:10.1080/00357529.1984.11764472
 
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