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Stilbite

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CR628327

Stilbite

with antique label
Classic Locality

Description Tabs

Description
Locality: 
Kilpatrick, Scotland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 6 × 4 cm
Description

This is a fantastic and very old stilbite specimen from Scotland.

Huge deep orange stilbite crystals on matrix - collected arround 1820 (!).

Ex Dr. Georg Gebhard collection and label.

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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