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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Fulgurite from
Cutler, Juneau County, Wisconsin, USA


Locality type:Town
Classification
Type:Fulgurite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fulgurite data
Locality Data:Click here to view Cutler, Juneau County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:159372
Long-form Identifier:1:3:159372:3
GUID (UUID V4):0
References
Am Jour. of Science, 4th ser. vol. 7 no. 43, (July 1899)
 
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