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Tacharanite & Natrolite

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ESM777019

Tacharanite & Natrolite

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Description
Locality: 
Puech de Vermus, Espalion, Aveyron, Occitanie, France
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1 × 3 × 1.8 cm
Description

White spheres of tacharanite with natrolite on phillipsite

Mineral Data
What's on the rock

Tacharanite

Formula: 
Ca12Al2Si18O51·18H2O
Strunz: 
9.HA.75
Crystal System: 
Monoclinic
Hardness: 
5.0
Colour: 
White
Type Locality: 
Portree, Trotternish, Isle of Skye, North West Highlands (Inverness-shire), Scotland, UK

Natrolite

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