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Stilbite

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Watches:
MGR537898

Stilbite

Description Tabs

Description
Locality: 
Riekengraben, Kolbnitz, Spittal an der Drau District, Carinthia, Austria
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.1 × 5.2 × 5 cm
Description

Alpine stilbite represents a great rarity, but this specimen is not just a rare sample. The crystals are very wel developed and they show a fine contrast to dark grey-green clinochlor. Material from this small discovery is very hard to obtain. No significant damages to report.

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