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Heulandite-Ca

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Watches:
CR29500

Heulandite-Ca

With Antique Label

Description Tabs

Description
Locality: 
Giumella Valley, Buffaure, Trento Province, Trentino-Alto Adige, Italy
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6.5 × 5 cm
Description

Intensive redbrown heulandite-Ca intergrwons crystals from the classic locality in Italy.

Specimen comes with three beautiful old labels.

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