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Geigerite & Villyaellenite

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GMN772368

Geigerite & Villyaellenite

Description Tabs

Description
Locality: 
Săcărâmb, Deva, Hunedoara County, Romania
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 1 cm
Description

White-pale lilac clusters of bladed crystals, and flesh coloured villyaellenite balls of elongated tabular crystals on matrix.

One-time find from the 1990's, Only a few specimen known.

I never seen such a beautiful geigerite speimen.

Mineral Data
What's on the rock

Geigerite

Formula: 
Mn2+5(AsO4)2(HAsO4)2·10H2O
Strunz: 
8.CE.05
Hardness: 
3.0
Type Locality: 
Falotta, Tinizong (Tinzen), Oberhalbstein (Surses; Sursass), Albula Valley, Grischun (Grisons; Graubünden), Switzerland

Villyaellenite

Formula: 
MnMn2Ca2(AsO4)2(HAsO4)2·4H2O
Strunz: 
8.CB.10
Hardness: 
4.0
Streak: 
White
Type Locality: 
Ste Marie-aux-Mines (Markirch), Haut-Rhin, Alsace, France
Not Sold

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