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Ferrierite-NH4

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GPM758127

Ferrierite-NH4

New Mineral type

Description Tabs

Description
Locality: 
Jenišův Újezd, Bílina, Teplice, Ústí nad Labem Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 3.6 × 2.5 cm
Description

Well developed white sprays of Ferrierite-NH4 crystals - the new mineral species, approved in 2018. It is the first natural ammonium-dominant zeolite. From Jenišův Újezd, Czech Republic.

r_108

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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