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Thomsonite

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RPL818402

Thomsonite

Classic Locality

Description Tabs

Description
Locality: 
Nesvik, Sunda, Faroe Islands, Denmark
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5 × 2 cm
Largest Crystal: 
0.10cm
Weight: 
72.00gr
Description

Four cores of Thomsonite have grown together and form a crust of hundreds of bright colourless and white Thomsonite crystals.  A clean, undamaged and sparkling example. From the former Nesvik Quarry, now a recycling centre.

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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