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Natrolite Calcite & Gonnardite

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CFL1113374

Natrolite Calcite & Gonnardite

Fluorescent

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5.2 × 4.7 cm
Description

Classic specimen of fluorescent natrolite crystals associated with aegirine, fluorescent calcite and gonnardite, and with kupletskite.

Mineral Data
What's on the rock

Natrolite

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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

Current price

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$20
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Shipping Information

Postage Area Price
Canada
$14
USA
$14
Europe
$15
Rest of World
$17

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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Collection Arkane accept payments by Paypal and direct email messages.

Bid History

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