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ATHENA

MINERALOGY

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Mineral:LABRADORITE (a variety of anorthite)
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
Crystal System:Anorthic (Triclinic)
Strunz Nr:8/J.07-50
Group:Feldspar group
References:HB2/1 (1995)
Type Locality:Labrador, Canada
Comments:A plagioclase feldspar; An50Ab50 to An70Ab30

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