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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Ilmenite from
Six-Pak lamprophyre diatreme (Six Pack pipe), Kenosha, Kenosha County, Wisconsin, USA


Locality type:Diatreme
Classification
Species:Ilmenite
Formula:Fe2+TiO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ilmenite data
Locality Data:Click here to view Six-Pak lamprophyre diatreme (Six Pack pipe), Kenosha, Kenosha County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:128265
Long-form Identifier:1:3:128265:8
GUID (UUID V4):0
References
Carlson, S. & G. Adams (1998) The diamondiferous Six-Pak Ultramafic Lamprophyre Diatreme, Kenosha, Wisconsin, U.S.A.: 43rd. Institute on Lake Superior Geology Abst. with Programs: 11-12.
 
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