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Gmelinite

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GND36002

Gmelinite

Classic Locality

Description Tabs

Description
Locality: 
Flinders Ranges, South Australia, Australia
Size Range: 
Cabinet (10-18 cm)
Size: 
10.4 × 6 × 5.6 cm
Description

A large vugh, measuring 5 cm across, filled with pretty pink gmelinite crystals, occurs in grey basalt together with some minor cavities filled with natrolite and some analcime.

This specimen sits very well for display as in the photos.

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
Gondwana Minerals
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