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Diaspore & Thomsonite

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SKY735760

Diaspore & Thomsonite

Rare Mineral

Description Tabs

Description
Locality: 
Langesundsfjorden, Larvik, Vestfold og Telemark, Norway
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.2 × 1 cm
Description

Platy yellow diaspore crystals associated to white acicular thomsonite crystals.

Mineral Data
What's on the rock

Diaspore

Formula: 
AlO(OH)
Strunz: 
4.FD.10
Hardness: 
6.5 - 7.0
Streak: 
white
Type Locality: 
Mramorskii Zavod (Mramorsk Zavod), Kosoi Brod Village, Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

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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