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Chabazite-Ca With Offretite

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NSS216979

Chabazite-Ca With Offretite

Description Tabs

Description
Locality: 
Monte Foppa, Camonica Valley, Brescia Province, Lombardy, Italy
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6 × 3 cm
Largest Crystal: 
1.00cm
Description

three cristals well formed on matrix, not chipping, matrix is partially covered of microcristal of offretite, very beautiful under microscope, sawn on base.

Mineral Data
What's on the rock

Chabazite-Ca

Formula: 
(Ca,K2,Na2)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 5.0
Streak: 
White
Type Locality: 
Colle del Lares, San Nicolò Valley, Buffaure Group, Fassa Valley, Trento Province, Trentino-Alto Adige, 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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