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Gonnardite & Analcime

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ACM924784

Gonnardite & Analcime

Description Tabs

Description
Locality: 
San Giorgio di Perlena, Fara Vicentino, Vicenza Province, Veneto, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.5 × 3.3 × 3.6 cm
Description

aggregates of white crystals of more than 3 mm of gonnardite in analcime geode

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

Analcime

Formula: 
Na2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Crystal System: 
Triclinic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions
Response time: the seller will reply to questions and purchase requests within 24 hours via the e-Rocks contact and invoice system. Contact me directly on [email protected] payments: if the mineral is shown different from the one presented, I assure the full refund of the purchase. the entire transaction must be the currency requested in the invoice I Paypal payments are welcomed. Do it to: [email protected]