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Stilbite

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MEX200362

Stilbite

ex private collection, discovery 1991
Classic Locality

Description Tabs

Description
Locality: 
Hvalfjordur, Iceland
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 3.7 × 2.8 cm
Description

Very rich specimen with a lot of stilbite crystal groups.
We obtained this material directly from the finder.

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