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Tschermigite

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TPX1059420

Tschermigite

Rare Mineral

Description Tabs

Description
Locality: 
Kladno Mine, Libušin, Kladno, Central Bohemian Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.3 × 5.2 × 2.5 cm
Weight: 
136.00gr
Description

Spectacular specimen of Tschermigite crystals on matrix from the type locality. This specimen also presents other rare sulphates that I have not analyzed, perhaps Godovikovite and others.
This piece was collected in the early 90's.

Mineral Data
What's on the rock

Tschermigite

Formula: 
(NH4)Al(SO4)2·12H2O
Strunz: 
7.CC.20
Hardness: 
1.5 - 2.0
Type Locality: 
Cermniky (Tschermig), Kadaň (Kaaden), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic

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