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Thomsonite & Cowlesite

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SHS1079797

Description Tabs

Description
Locality: 
Eysturoy Island, Faroe Islands, Denmark
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.3 × 0.7 cm
Description

Nice thomsonite and cowlesite on matrix

Mineral Data
What's on the rock

Thomsonite

Synonym Of: 

Thomsonite-Ca

Formula: 
NaCa2[Al5Si5O20]·6H2O
Strunz: 
9.GA.10
Hardness: 
5.0 - 5.5

Thomsonite-Sr

Formula: 
Na(Sr,Ca)2[Al5Si5O20]·7H2O
Strunz: 
9.GA.10
Hardness: 
5.0 - 0.0

Cowlesite

Formula: 
CaAl2Si3O10·6H2O
Strunz: 
9.GG.05
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Neer Road, Goble, Columbia Co., Oregon, USA

Current price

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$5
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Start 03 Nov 18:00
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Shipping Information

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Shipping Prices (registrated) for a mineral sample up to 500g:

Germany: 4,00 €,  EU : 7,20 € , non EU : 7,00

for a mineral sample up to 1000 g:

Germany: 4,00 €, EU: 9,35 €, non EU: 10,50 €

for a mineral sample up to 2000 g:

Germany: 4,00 €, EU: 19,35 €, non EU: 20,50 €

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