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Heulandite-Ca
Type Locality
Strathclyde (Dunbartonshire), Scotland, UK
Mineral Data
(Ca,Na)
2-3
Al
3
(Al,Si)
2
Si
13
O
36
·12H
2
O
Strunz:
9.GE.05
Physical Properties
Streak:
White
Hardness:
3.5 - 4.0
Tenacity:
brittle
Synonyms
Synonyms:
Heulandite Ca and Heulandite - Ca
