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Čejkaite Thénardite

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ZSO920565

Čejkaite Thénardite

Radioactive

Description Tabs

Description
Locality: 
Kővágószőlős, Mecsek Mountains, Baranya County, Hungary
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 2.4 × 1.6 cm
Description

Yellow scones of cejkaite with white thénardite on sandstone matrix.

A small old uranium ore collection was found. The ore samples were collected by a former uranium geologist in between 1980 and 2001.
Thanks to this recently discovered collection of a few pieces, many new species have been described from the locality. This rarity is one of them.

XRD & EDX confirmed

Mineral Data
What's on the rock

Čejkaite

Formula: 
Na4(UO2)(CO3)3
Strunz: 
5.ED.50
Crystal System: 
Triclinic
Hardness: 
0.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Thénardite

Formula: 
Na2SO4
Strunz: 
6/A.07-10
Crystal System: 
Orthorhombic
Hardness: 
2½ - 3
Colour: 
Colourless, very light grey, light brown; colourless in transmitted light

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