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Stilbite

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RPL850420

Stilbite

Description Tabs

Description
Locality: 
Sgurr nam Fiadh, Carbost, Isle of Skye, Scotland, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 5.5 × 3 cm
Largest Crystal: 
1.00cm
Weight: 
90.00gr
Description

A thin plate of creamy white sheaf like crystals of stilbite on a thin crust of matrix. One area of bruising towards edge. 

Previous labels supplied (not photographed)
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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