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Gmelinite

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MEX212029

Gmelinite

ex Barbara collection
Classic Locality

Description Tabs

Description
Locality: 
Glenarm, County Antrim, Northern Ireland, United Kingdom
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 2.1 × 1.5 cm
Description

Very good crystallzed, orange gmelinite crystals from old locality.

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