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Thomsonite

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NST692486

Thomsonite

Description Tabs

Description
Locality: 
Gaulsberg Quarry, Ortenberg, Wetterau, Darmstadt, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.2 × 2 cm
Description

An aggregate of prismatic, snow-white Thomsonites covered by some very small Pyrites in a basaltic vug coated by transparent Phillipsites. Collected in 2003. The quarry is abandoned since 2010 and nowadays a protected natural reserve for the Eagle owl..

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