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Geigerite

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Watches:
FRE117750

Geigerite

Description Tabs

Description
Locality: 
Monte Nero Mine, Rocchetta Vara, La Spezia Province, Liguria, Italy
Size Range: 
Thumbnail (1-3cm)
Size: 
0.5 × 1.5 × 1.5 cm
Description

Thin layer of colorless/very pale green geigerite with chalcocite on a chert matrix. Very rare.
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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

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