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Fernandinite & Melanovanadite

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SKY196335

Fernandinite & Melanovanadite

Rare Mineral-Classic locality
Type Locality

Description Tabs

Description
Locality: 
Ragra Mine, Cerro de Pasco, Pasco Department, Peru
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.3 × 1 cm
Description

Fernandinite is a very rare vanadium oxide that occurs as light green acicular crystals associated to black melanovanadite, another very rare vanadium oxide. Both species are from the type locality in this specimen.

Mineral Data
What's on the rock

Fernandinite

Formula: 
(Ca,K)(V5+,V4+,Fe2+)8O20·10H2O
Strunz: 
4.HE.20
Hardness: 
2.0 - 3.0
Type Locality: 
Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco Department, Peru

Melanovanadite

Formula: 
Ca(V5+,V4+)4O10·5H2O
Strunz: 
4.HE.05
Hardness: 
2.5
Type Locality: 
Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco Department, Peru

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