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Heulandite-Ca With Mordenite

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TBM779829

Heulandite-Ca With Mordenite

Classic Locality

Description Tabs

Description
Locality: 
Drio le Pale, Buffaure Group, Trento Province, Trentino-Alto Adige, Italy
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 5.5 × 8 cm
Weight: 
381.00gr
Description

Tabular crystals collected by sheaf with  the typical red color, typical of the locality and here particularly intense on basalt with Chalcedony and Mordenite.

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

Mordenite

Formula: 
(Na2,Ca,K2)Al2Si10O24·7H2O
Strunz: 
9.GD.35
Hardness: 
3.0 - 4.0
Streak: 
White
Type Locality: 
Morden, Bay of Fundy, Kings Co., Nova Scotia, Canada