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Anorthite

Type Locality
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy
Mineral Data
CaAl2Si2O8
Strunz: 
9.FA.35
Physical Properties
Crystal System: 
Triclinic
Streak: 
White
Hardness: 
6.0 - 6.5
Tenacity: 
brittle
Synonyms
Synonyms: 
Anortite
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