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Stilbite

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JZM761863

Stilbite

Description Tabs

Description
Locality: 
Berufjörður, Djúpavogshreppur, Eastern Region, Iceland
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 3.4 × 2.3 cm
Description

Part of a vug with white pearlescent stilbite crystals and some waterclear quartz crystals. From the collection of Heinrich Diehl (Ehringshausen, Germany), collected in the 1970s.

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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