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Stilbite

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CAM512436

Stilbite

Description Tabs

Description
Locality: 
Hjarðardalur, Eysturoy Island, Faroe Islands, Denmark
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6 × 5.5 cm
Largest Crystal: 
2.50cm
Description

An excellent and aesthetical specimen from the Faroe Islands with a very rich coverage of clusters of stilbite crystals up to 2.5 cm on a small amount of matrix. Collected in 1982. Ex Klaus Petitjean collection.

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
Cartils Minerals

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