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Chabazite-K With Offretite

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NSS500386

Chabazite-K With Offretite

Description Tabs

Description
Locality: 
Lake Arno, Alta Val Saviore, Adamello Massif, Brescia Province, Lombardy, Italy
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 7 × 4 cm
Description

white cristals of chabazite on matrix, good luster,microcristals of offretite
 

Mineral Data
What's on the rock

Chabazite-K

Formula: 
(K2,Ca,Na2,Sr,Mg)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0
Streak: 
White
Type Locality: 
Ercolano, Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Offretite

Formula: 
KCaMgAl5Si13O36·16H2O or near
Strunz: 
9.GD.25
Hardness: 
4.0 - 4.5
Type Locality: 
Mont Semiol (Mont Semiouse; Mont Simiouse), Châtelneuf, Saint-Georges-en-Couzan, Loire, Rhône-Alpes, France

Seller Information

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