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Heulandite-Ca

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SHS195768

Heulandite-Ca

Staatliche Mineralien-Niederlage Freiberg, Sa. (Saxony/Germany)
With Antique Label

Description Tabs

Description
Locality: 
Drio le Pale, Buffaure Group, Trento Province, Trentino-Alto Adige, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.8 × 2.6 cm
Description

 Nice heulandite ca crystals with old label

Mineral Data
What's on the rock

Heulandite-Ca

Formula: 
(Ca,Na)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Strathclyde (Dunbartonshire), Scotland, UK