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Ferrierite-NH4

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GMN912016

Ferrierite-NH4

Description Tabs

Description
Locality: 
Bílina Mine, Teplice District, Ústí nad Labem Region, Czech Republic
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 4.5 × 1.2 cm
Description

White , silky ,  elongated tabular crystals on matrix from the type locality.

Rare big specimen.

Mineral Data
What's on the rock

Ferrierite-NH4

Formula: 
(NH4,Mg0.5)5(Al5Si31O72)·22H2O
Crystal System: 
Orthorhombic
Type Locality: 
Libous quarry, Chomutov (Komotau), Ústí Region, Czech Republic

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