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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Franklinite from
Passaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA


00720750017369242212679.jpg
Franklinite, etc.

Passaic pit, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
00720750017369242212679.jpg
Franklinite, etc.

Passaic pit, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
03243490017369242222972.jpg
Franklinite, etc.

Passaic pit, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
Locality type:Pit
Classification
Species:Franklinite
Formula:Zn2+Fe23+O4
Comments:Occurs as massive material, blebs and granules to large octahedral crystals weathered from primary ore.
Habit:Large octahedrons
Colour:Black
Luminescent properties:None.
Quality for species:Excellent - world class for species or very significant. (!!)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Willemite14
Calcite11
Zincite6
Azurite5
Hemimorphite3
Limonite3
Sphalerite3
Chalcophanite2
Hydrozincite2
Malachite2
Andradite1
Diopside1
- var Schefferite1
Tephroite1
Gahnite1
Data
Mineral Data:Click here to view Franklinite data
Locality Data:Click here to view Passaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:38593
Long-form Identifier:1:3:38593:8
GUID (UUID V4):0
Nearest other occurrences of Franklinite
0.1km (0.1 miles) ⓘFill Quarry, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
0.1km (0.1 miles) ⓘNoble pit (Lot #10 - Ogden Divisions; Noble Mine), Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
0.2km (0.1 miles) ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
3.8km (2.4 miles) ⓘBuckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
3.9km (2.4 miles) ⓘTaylor Road dumps, Franklin Mine, Franklin, Sussex County, New Jersey, USA
3.9km (2.4 miles) ⓘBuckwheat pit, Franklin Mine, Franklin, Sussex County, New Jersey, USA
4.0km (2.5 miles) ⓘTaylor Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
4.0km (2.5 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
4.2km (2.6 miles) ⓘTrotter Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
4.5km (2.8 miles) ⓘHamburg Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
References
Common knowledge of occurrence.
Leavens,; P.B.,; Zullo,; J.,; Verbeek,; E., (2009) A complex, genthelvite-bearing skarn from the Passaic pit, Sterling Hill mine, Ogdensburg. Axis, 5. 1-26
 
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