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Thomsonite-Ca

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FNW39200

Thomsonite-Ca

Ex. Douglas C. Wilson Collection (Nova Scotia, Canada)

Description Tabs

Description
Locality: 
Margaretsville, Bay of Fundy, Nova Scotia, Canada
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 5.8 × 3.3 cm
Description

A great specimen of Thomsonite featuring two diferents habits, crystalline globular aggregates and fibrous needle like crystals.

A very uncommon and interesting piece from this unknown locality.

Mineral Data
What's on the rock

Thomsonite-Ca

Formula: 
NaCa2[Al5Si5O20]·6H2O
Strunz: 
9.GA.10
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Old Kilpatrick, Strathclyde (Dunbartonshire), Scotland, UK
Fine Minerals World