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Gonnardite On Ferroan Calcite

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PJM130596

Gonnardite On Ferroan Calcite

Description Tabs

Description
Locality: 
Boral Quarry, Bundoora, Whittlesea, Victoria, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 1.6 × 1 cm
Description

Tuffed spheres of translucent white acicular gonnardite crystals on dark amber ferroan calcite crystals and chabazite crystals from the now defunct Bundoora Quarry

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

Ferroan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Fe)CO3
Hardness: 
0.0
Earthstones Australia

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

All goods must be paid for prior to shipping, all bids are binding.

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