Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Gonnardite & Natrolite

Views:
Watches:
SHS105342

Gonnardite & Natrolite

Description Tabs

Description
Locality: 
Uzsa, Tapolca, Veszprém County, Hungary
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1.1 × 0.8 cm
Description

Gonnardite on natrolite

Mineral Data
What's on the rock

Gonnardite

Formula: 
(Na,Ca)2(Si,Al)5O10·3H2O
Strunz: 
9.GA.05
Hardness: 
4.0 - 5.0
Type Locality: 
La Chaux de Bergonne, Gignat, Saint-Germain-Lembron, Puy-de-Dôme, Auvergne, France

Natrolite

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