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Diaspore & Natrolite

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MCH870596

Diaspore & Natrolite

Description Tabs

Description
Locality: 
Saga #1 Quarry, Sagåsen, Mørje, Porsgrunn, Vestfold og Telemark, Norway
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.1 × 3.1 × 1.8 cm
Description

Spreustein (a rock type predominantly existing of natrolite) with several cavities that are filled with small purple diaspore crystals and acicular natrolite crystals. Occasionally single small diaspore crystals (approx. 1 mm in size) or groups of crystals are set on the natrolite crystals. Collected 1984.

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...

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Hohentwiel, Singen, Hegau, Baden-Württemberg, Germany

Seller Information

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