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Thomsonite

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PCZ136933

Thomsonite

Description Tabs

Description
Locality: 
Hills Port, Gobbins, Island Magee, County Antrim, Northern Ireland, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6 × 4 cm
Description

A different from the usual thomsonite specimen. The display face is almost completely covered with little free standing thomsonite blades. An uncommon habit for the mineral in Co. Antrim. There is also a small vug with calcite crystals on the back.

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