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Heulandite-Ca & Celadonite

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TBM1103939

Heulandite-Ca & Celadonite

Classic Locality

Description Tabs

Description
Locality: 
Drio le Pale, Buffaure Group, Trento Province, Trentino-Alto Adige, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 6 × 6.5 cm
Largest Crystal: 
0.40cm
Weight: 
188.00gr
Description

Nice rosettes of Heulandite crystals up to 4 mm with typical red color,  particularly intense on a carpet of small dark-green Celadonite crystals on basalt matrix

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

Celadonite

Formula: 
K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.0
Type Locality: 
Planitz, Zwickau, Saxony, Germany