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Epistilbite Calcite Mordenite

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ZLT518205

Epistilbite Calcite Mordenite

Description Tabs

Description
Locality: 
Fossárfell, Berufjord, Djúpavogshreppur, Eastern Region, Iceland
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.2 × 1 cm
Description

Crystal cluster with a wellshaped twin of epistilbite of 7 mm.

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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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