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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Chalcedony from
Hurd Mine (Hurdtown Mine; Level Mine; Turnpike Mine; South Vein Mine; Bluff Mine), Hurdtown, Jefferson Township, Morris County, New Jersey, USA


Locality type:Mine
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Hurd Mine (Hurdtown Mine; Level Mine; Turnpike Mine; South Vein Mine; Bluff Mine), Hurdtown, Jefferson Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:72152
Long-form Identifier:1:3:72152:9
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
6.7km (4.2 miles) ⓘMount Hope Mines (Mt Hope Mines), Mount Hope, Rockaway Township, Morris County, New Jersey, USA
11.6km (7.2 miles) ⓘPardee Mine, Green Pond, Rockaway Township, Morris County, New Jersey, USA
19.0km (11.8 miles) ⓘEmerald Drive residential construction site, Hardistonville, Hamburg, Sussex County, New Jersey, USA
32.1km (20.0 miles) ⓘLyons Station, Lyons, Bernards Township, Somerset County, New Jersey, USA
32.8km (20.4 miles) ⓘMillington Quarry, Bernards Township, Somerset County, New Jersey, USA
34.0km (21.1 miles) ⓘLiberty Corner, Bernards Township, Somerset County, New Jersey, USA
34.0km (21.2 miles) ⓘBraen Quarry, Haledon, Passaic County, New Jersey, USA
34.7km (21.5 miles) ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA
35.3km (21.9 miles) ⓘMcDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair, Essex County, New Jersey, USA
35.4km (22.0 miles) ⓘOrange Quarry Company Quarry (Eagle Rock Quarry), West Orange, West Orange, Essex County, New Jersey, USA
References
The Iron Mines of NJ (1910), Bayley:336.
 
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