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Thomsonite

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PCZ153394

Thomsonite

Description Tabs

Description
Locality: 
Parkgate Quarry, County Antrim, Northern Ireland, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 5 × 3.5 cm
Description

Sparkling aggregates of thomsonite blades on a light coloured basalt matrix. As with last month all specimens in this auction have a starting bid of just $3 regardless of size, TL etc. In addition all purchases over $6 will qualify for a free crystalline zeolite specimen (at least miniature size) of a different type than those purchased.

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
Peter Crozier Minerals