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Retgersite & Annabergite

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SCH67870

Retgersite & Annabergite

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Description
Locality: 
Lovelock Mine, Bolivia, Cottonwood Canyon, Churchill County, Nevada, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.7 × 1.4 cm
Description

Yellow-green retgersite with some darker-green annabergite. Not a spectacular specimen but very rare!

Mineral Data
What's on the rock

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
schani

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