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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Amethyst from
Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA


01879690017272038322350.jpg
Amethyst, etc.

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
07378400017272019703438.jpg
Amethyst, etc.

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
06000780017272019716560.jpg
Amethyst

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
05873590017272019724556.jpg
Amethyst

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
09114430017363087069987.jpg
Amethyst, etc.

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
00466260017363087075491.jpg
Amethyst, etc.

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
02378350017363087071006.jpg
Amethyst

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
03627620017363087078502.jpg
Amethyst

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
01879690017272038322350.jpg
Amethyst, etc.

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
07378400017272019703438.jpg
Amethyst, etc.

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
06000780017272019716560.jpg
Amethyst

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
05873590017272019724556.jpg
Amethyst

Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
Locality type:Quarry
Classification
Species:Quartz var: Amethyst
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite6
Prehnite5
Quartz4
- var Agate1
Hematite2
Laumontite2
Heulandite Subgroup1
Chlorite Group1
Heulandite-Ca1
Apophyllite Group1
Albite1
Chabazite1
Data
Mineral Data:Click here to view Amethyst data
Locality Data:Click here to view Prospect Park Quarry, Prospect Park, Passaic County, New Jersey, USA
Photo GalleryView Gallery (15 photos)
Data Identifiers
Mindat Occurrence Record ID:78707
Long-form Identifier:1:3:78707:5
GUID (UUID V4):0
Nearest other occurrences of Amethyst
1.5km (0.9 miles) ⓘBraens Quarry, North Haledon, Passaic County, New Jersey, USA
1.9km (1.2 miles) ⓘBraen Quarry, Haledon, Passaic County, New Jersey, USA
4.0km (2.5 miles) ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA
4.1km (2.6 miles) ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA
8.2km (5.1 miles) ⓘHoudaille Quarry, Little Falls Township, Passaic County, New Jersey, USA
8.2km (5.1 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
11.1km (6.9 miles) ⓘMcDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
21.3km (13.2 miles) ⓘNew York - Susquehanna & Western Railroad tunnel, Edgewater, Bergen County, New Jersey, USA
22.8km (14.2 miles) ⓘDodgewood Road, The Bronx (Bronx County), New York City, New York, USA
23.6km (14.7 miles) ⓘNew York - West Shore & Buffalo RR tunnel, Weehawken, Bergen Hill, Hudson County, New Jersey, USA
References
Rocks & Minerals 80:4 pp234-241
NJ Geol. Survey Bull. #64, Trap Rock Mins of NJ, Mason, B. (1960)
Vitali, G. (1978) Minerals of the Watchungs - Part II. Lapidary Journal: 32: 1700-1720.
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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