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Thomsonite

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Thomsonite

Description Tabs

Description
Locality: 
Moonen Bay, Isle of Skye, Scotland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 6 × 2.2 cm
Description

White, slightly lustrous sphaeroidal thomsonite aggregates up to 0.8 cm in diameter on matrix from the Scottish locality Moonen Bay on the Isle of Skye, associated with white, highly lustrous, rhombohedral chabasite crystals up to 0.4 cm across. A really nice combination with no damage, fitting well together with the stilbite specimen from the same locality in this same auction.

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
Wendel Minerals

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