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Gonnardite

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CAM148488

Gonnardite

Description Tabs

Description
Locality: 
Boral Quarry, Bundoora, Whittlesea, Victoria, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.1 × 4.3 cm
Description

A rich coverage of white balls of acicular gonnardite crystals on basalt matrix.
A very fine example of this zeolite-group member.

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
Cartils Minerals

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