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Pararammelsbergite Retgersite & Annabergite

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MNR766760

Pararammelsbergite Retgersite & Annabergite

Description Tabs

Description
Locality: 
Čierna Lehota, Bánovce nad Bebravou County, Trenčín Region, Slovakia (Slovak Republic)
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3 × 2.3 cm
Description

Metallic grey-silver pararammelsbergite. The sample is almost pure pararammelsbergite. Very unique and rich sample. There is also visible blue retgersite and green annabergite in association.

Pararammelsbergite was analyzed and collected by Mr. Martin Števko.

Mineral Data
What's on the rock

Pararammelsbergite

Formula: 
NiAs2
Strunz: 
2.EB.10e
Hardness: 
5.5
Type Locality: 
Keeley-Frontier Mine (Canadian Keeley; Frontier Mine; Keeley Mine), South Lorrain Township, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada

Retgersite

Formula: 
NiSO4·6H2O
Strunz: 
7.CB.30
Crystal System: 
Tetragonal
Hardness: 
2.5
Type Locality: 
Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco Department, Peru

Annabergite

Formula: 
Ni3(AsO4)2·8H2O
Strunz: 
8.CE.40
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.5
Type Locality: 
Teichgräber Flacher vein, Teichgräber deep adit, Kippenhain Mine (Kippenhayn Mine), Schreckenberg, Frohnau, Annaberg-Buchholz, Annaberg District, Erzgebirge, Saxony, Germany