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Quartz & Stilbite

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ESM891277

Quartz & Stilbite

Description Tabs

Description
Locality: 
Bellwald, Goms, Valais, Switzerland
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 6 × 4 cm
Description

Creamy colored bow tie shaped stilbite crystals with clear quartz crystals on matrix

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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