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Thomsonite-Ca

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ZLT128135

Thomsonite-Ca

Description Tabs

Description
Locality: 
Arensberg, Zilsdorf, Hillesheim, Vulkaneifel, Rhineland-Palatinate, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 2.6 × 2.6 cm
Description

Thomsonite-Ca as radiating hemispheres with lustrous and transparent outer rim and white center. The center is most likely natrolite or gonnardite. Older specimen from the 1980´s.

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

Seller Information

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