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Heulandite-K
Type Locality
Near Albero Bassi locality, Santorso, Vicenza Province, Veneto, Italy
Mineral Data
(K,Na,Ca)
2-3
Al
3
(Al,Si)
2
Si
13
O
36
·12H
2
O
Strunz:
9.GE.05
Physical Properties
Streak:
White
Hardness:
3.0 - 3.5
Tenacity:
brittle
Synonyms
Synonyms:
Heulandite K and Heulandite - K
