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Stilbite

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ZLT110677

Stilbite

Description Tabs

Description
Locality: 
Skalabotnur, Skálafjørđur, Eysturoy Island, Faroe Islands, Denmark
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 5 × 3.5 cm
Largest Crystal: 
2.00cm
Description

Cluster of tabular, transparent stilbite crystals with extremely thin (difficult to see) and long (2 cm) mesolite crystals. Stibite crystals show hourglass structure.

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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