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Thomsonite-Ca

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CHP913422

Thomsonite-Ca

Classic Locality

Description Tabs

Description
Locality: 
Gads Hill, Upper Mersey Valley, Meander Valley Municipality, Tasmania, Australia
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.7 × 1.4 cm
Description

beautiful radiating group of colourless prismatic single crystals of thomsonite-Ca.

c. 4338

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

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