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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Gahnite from
Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA


04003590017868763626340.jpg
Gahnite, etc.

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
09685240017272016975420.jpg
Gahnite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
05443980017448530556783.jpg
Gahnite, etc.

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
06023300017272016999783.jpg
Gahnite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
08655980017834506169321.jpg
Gahnite, etc.

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
09685240017272016975420.jpg
Gahnite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
09133950017448525864295.jpg
Gahnite, etc.

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
06023300017272016999783.jpg
Gahnite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
01130460017835122863852.jpg
Gahnite, etc.

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
09685240017272016975420.jpg
Gahnite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
04198260017449147517790.jpg
Gahnite, etc.

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
06023300017272016999783.jpg
Gahnite

Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
Locality type:Mine
Classification
Species:Gahnite
Formula:ZnAl2O4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite15
Willemite3
Rhodonite3
Margarite1
Quartz1
Spessartine1
Baryte1
Thortveitite1
Augite1
Data
Mineral Data:Click here to view Gahnite data
Locality Data:Click here to view Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
Photo GalleryView Gallery (13 photos)
Data Identifiers
Mindat Occurrence Record ID:53861
Long-form Identifier:1:3:53861:9
GUID (UUID V4):0
Nearest other occurrences of Gahnite
0.2km (0.1 miles) ⓘPassaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA
3.7km (2.3 miles) ⓘTaylor Road dumps, Franklin Mine, Franklin, Sussex County, New Jersey, USA
3.8km (2.3 miles) ⓘBuckwheat pit, Franklin Mine, Franklin, Sussex County, New Jersey, USA
3.9km (2.4 miles) ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA
4.1km (2.5 miles) ⓘTrotter Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
4.7km (2.9 miles) ⓘMill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
References
Metsger, et al: Geol. Soc. of Amer Bull.:69:775-788 (1958)
Dunn, Pete J.; Frondel, Clifford (1990) An Uncommon Margarite/Corundum Assemblage from Sterling Hill, New Jersey. The Mineralogical Record, 21 (5). p.425-427.
Dunn(1995):Pt4:580-581.
 
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