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Gonnardite

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PJM36952

Gonnardite

Description Tabs

Description
Locality: 
Boral Quarry, Bundoora, Whittlesea, Victoria, Australia
Size Range: 
Cabinet (10-18 cm)
Size: 
5.2 × 16.3 × 6.8 cm
Description

Hundreds of bright white spheres of gonnardite populate the display surface of the cabinet specimen. These were recovered from the Boral quarry in Bundoora a decade or so ago. The quarry is now closed and revegetated.

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
Earthstones Australia

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