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Stilbite

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ZLT525647

Stilbite

Description Tabs

Description
Locality: 
Felli Valley, Reuss Valley, Uri, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
1.5 × 5.8 × 3.5 cm
Largest Crystal: 
0.60cm
Description

Part of an alpine cleft lined with stilbite crystals. Some very tiny qaurtz crystals and chlorite are also present.Back side is sawn.

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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