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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Rutile from
Laytonville Quarry, Laytonville, Coastal Range, California, USA


Locality type:Quarry
Classification
Species:Rutile
Formula:TiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rutile data
Locality Data:Click here to view Laytonville Quarry, Laytonville, Coastal Range, California, USA
Data Identifiers
Mindat Occurrence Record ID:787635
Long-form Identifier:1:3:787635:6
GUID (UUID V4):0
References
Muir Wood, Robert (1982) The Laytonville Quarry (Mendocino County California) exotic block: iron-rich blueschist-facies subduction-zone metamorphism. Mineralogical Magazine, 45 (337) 87-99 doi:10.1180/minmag.1982.045.337.10
 
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