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Gmelinite On Analcime

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PJM160475

Gmelinite On Analcime

Description Tabs

Description
Locality: 
Bushrangers Bay, Flinders, Victoria, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.8 × 1.2 cm
Description

A thin bladed, orange gmelinite crystal, on a bed of analcime, on basaltic matrix.

Collected in 1981 by Hamish Pearson, from the cliffs of the very small unnamed bay to the west of Bushrangers Bay, at the rear of the Bailleau estate

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

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
Earthstones Australia

Seller Information

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