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Nepheline

Type Locality
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy
Mineral Data
(Na,K)AlSiO4
Strunz: 
9.FA.05
Physical Properties
Hardness: 
5.5 - 6.0
Tenacity: 
brittle
Synonyms
Synonyms: 
Nephelin
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