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Ferrierite-NH4

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PDM682145

Ferrierite-NH4

New Mineral type

Description Tabs

Description
Locality: 
Libous Quarry, Chomutov, Ústí nad Labem Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 3 × 2.3 cm
Largest Crystal: 
0.10cm
Description

From its type locality, aggregates of acicular Ferrierite-NH4 crystals with satin lustre and white colour. New mineral species, approved in 2018.

According to Dr. Jaroslav Hyrsl, these specimens where found in materials extracted in the 1980’s, and a limited amount of specimens is expected in the market.

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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