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Thomsonite

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SER1111100

Thomsonite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Marienberg, Erzgebirge, Saxony, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 7.5 × 4.5 cm
Description

a large specimen featuring a large vug filled with rounded clusters of colourless thomsonite crystals ; it comes with a very old handwritten label

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

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Start 14 Apr 18:00
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