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Epistilbite Chabazite Mordenite

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ZLT926658

Epistilbite Chabazite Mordenite

Description Tabs

Description
Locality: 
Fossárfell, Berufjord, Djúpavogshreppur, Eastern Region, Iceland
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.2 × 2.2 cm
Description

Part of a vug in basaltic matrix with mostly  epistilbite crystals and some small rhombohederins of chabazite, somer fibers of mordenite and some calcite. Classic location. Collected 1978.

Mineral Data
What's on the rock

Epistilbite

Formula: 
CaAl2Si6O16·5H2O
Strunz: 
9.GD.45
Hardness: 
4.0
Streak: 
white
Type Locality: 
Breiðdalur- Berufjörður area, Suður-Múlasýsla, Eastern Region, Iceland

Chabazite

Synonym Of: 

Chabazite-Ca

Formula: 
(Ca,K2,Na2)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 5.0

Chabazite-K

Formula: 
(K2,Ca,Na2,Sr,Mg)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0

Chabazite-Mg

Formula: 
(Mg0.7K0.5Ca0.5Na0.1)[Al3Si9O24]·10H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 0.0

Chabazite-Na

Formula: 
(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0

Chabazite-Sr

Formula: 
Sr2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 4.5

Mordenite

Formula: 
(Na2,Ca,K2)Al2Si10O24·7H2O
Strunz: 
9.GD.35
Hardness: 
3.0 - 4.0
Streak: 
White
Type Locality: 
Morden, Bay of Fundy, Kings Co., Nova Scotia, Canada

Seller Information

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