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Tremolite

Type Locality
Campolungo, Piumogna Valley, Leventina, Ticino (Tessin), Switzerland
Mineral Data
☐{Ca2}{Mg5}(Si8O22)(OH)2
Strunz: 
9.DE.10
Physical Properties
Streak: 
White
Hardness: 
5.0 - 6.0
Tenacity: 
brittle
Synonyms
Synonyms: 
Grammatite
Photos