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Stilbite

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CR14802

Stilbite

Description Tabs

Description
Locality: 
Malmberget, Gällivare, Norrbotten County, Sweden
Size Range: 
Small cabinet (7-10 cm)
Size: 
4 × 7 × 3.2 cm
Description

An excellent and uncommon specimen of lustrous, tan stilbite blades from the famous Malmberget iron mines in Sweden.

Very rare in such size and quality.

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