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Gonnardite

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RSG1031293

Gonnardite

Description Tabs

Description
Locality: 
La Chaux De Bergonne, Gignat, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
0.8 × 2 × 2 cm
Description

Gonnardite crystal

It comes with the stereoscopic slides of the mineral made by Robert Vernet in the 90's

In a box 2.8x2.8cm, labelled

FoV : 3.8mm

Ex owner and date on the box

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

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No refund on the items

When you win an auction, please pay within the end of the month of the auction. If you have not paid by the end of this selling period the item will be relisted or a litigation will be open.

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