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Ronneburgite & Hummerite

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ESM819706

Ronneburgite & Hummerite

Type Locality

Description Tabs

Description
Locality: 
Lichtenberg Absetzer Dump, Ronneburg Uranium Deposit, Gera, Thuringia, Germany
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1.5 × 1.5 cm
Description

Red ronneburgite with yellow hummerite crystals on matrix  For original close-up photo contact us

Mineral Data
What's on the rock

Ronneburgite

Formula: 
K2MnV4O12
Strunz: 
8.AC.75
Hardness: 
3.0
Type Locality: 
Lichtenberg Absetzer Mine (dump), Ronneburg U deposit, Gera, Thuringia, Germany

Hummerite

Formula: 
K2Mg2(V10O28)·16H2O
Strunz: 
4.HC.10
Hardness: 
0.0
Type Locality: 
Hummer Mine, Jo Dandy Mine (Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker), Paradox Valley, Uravan District, Montrose Co., Colorado, USA