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Stilbite

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RPL1058203

Stilbite

Description Tabs

Description
Locality: 
Kuiu Island, Sitka Borough, Alaska, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 1.5 cm
Largest Crystal: 
2.00cm
Weight: 
18.00gr
Description

A small group of well-formed clean white stilbite from a very unusual location. Only one crystal is incomplete, the specimen displays well.

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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