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Gmelinite

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QRI784152

Gmelinite

Rare Mineral

Description Tabs

Description
Locality: 
Cattignano Quarry, San Giovanni Ilarione, Verona Province, Veneto, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 4 × 2.6 cm
Largest Crystal: 
0.20cm
Weight: 
48.00gr
Description

Rich miniature cnsisting of a full drusy hosting over two dozens of hexagonal gmelinite crystals. Cream-orange color and good lustre for the specie, with some transparent sectors. Textbook shape, the core crystals are in an excellent conditions.

Gmelinite is a rare zeolite, and even rarer in Italy. Contrada Bagattei is one of the top localities for the specie in the country, and this is a very rich and representative specimen. 

Mineral Data
What's on the rock

Gmelinite

Synonym Of: 

Gmelinite-Ca

Formula: 
(Ca,Na2)[Al2Si4O12]·6H2O
Strunz: 
9.GD.05
Hardness: 
4.5

Gmelinite-K

Formula: 
(K2,Na2,Ca)[Al2Si4O12]·6H2O
Strunz: 
9.GD.05
Hardness: 
4.5

Gmelinite-Na

Formula: 
(Na2,Ca)[Al2Si4O12]·6H2O
Strunz: 
9.GD.05
Hardness: 
4.5
Group Parent: 
Zeolite Group

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