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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Corundum from
Shimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA


00519770017272034849329.jpg
Corundum

Shimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
09137690017272034849910.jpg
Corundum

Shimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
06796630017604912712183.jpg
Corundum

Shimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
00519770017272034849329.jpg
Corundum

Shimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
09137690017272034849910.jpg
Corundum

Shimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
07234420017604912606581.jpg
Corundum

Shimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
00519770017272034849329.jpg
Corundum

Shimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
09137690017272034849910.jpg
Corundum

Shimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
06796630017604912712183.jpg
Corundum

Shimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
Locality type:Village
Classification
Species:Corundum
Formula:Al2O3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Corundum data
Locality Data:Click here to view Shimerville, Upper Milford Township, Lehigh County, Pennsylvania, USA
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:313192
Long-form Identifier:1:3:313192:3
GUID (UUID V4):0
Nearest other occurrences of Corundum
54.0km (33.5 miles) ⓘGladwyne Quarries, Gladwyne, Lower Merion Township, Montgomery County, Pennsylvania, USA
66.9km (41.6 miles) ⓘGlen Riddle, Middletown Township, Delaware County, Pennsylvania, USA
67.0km (41.6 miles) ⓘCorundum Hill, Newlin Township, Chester County, Pennsylvania, USA
72.9km (45.3 miles) ⓘBeaver Valley, New Castle County, Delaware, USA
92.3km (57.3 miles) ⓘMount Rocky Meeting House, East Nottingham Township, Chester County, Pennsylvania, USA
94.5km (58.8 miles) ⓘLime Crest Quarry, Sparta Township, Sussex County, New Jersey, USA
References
The Mineralogy of Pennsylvania 1922
Samuel S. Gordon pg. 209
 
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