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Stilbite

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QRI839727

Stilbite

Former collection B. Flurin (CH)
With Antique Label

Description Tabs

Description
Locality: 
Upper Cavrein Alp, Gronda da Cavrein Valley, Surselva, Grisons, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.3 × 2 cm
Largest Crystal: 
0.60cm
Weight: 
23.00gr
Description

Over two dozens of textbook creamy bowties populate this lovely Alpine matrix specimen. Very good quality for both the specie and the locality.

From the legendary collection B. Flurin, put together between the 50s and the 70s. The black custom made wooden base is a distinctive mark!

Pasted Label
Mineral Data
What's on the rock

Stilbite

Synonym Of: 

Stilbite-Ca

Formula: 
NaCa4[Al9Si27O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Hardness: 
3.5 - 4
Colour: 
White
Streak: 
White

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