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Neotocite & Palenzonaite

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FNW68269

Neotocite & Palenzonaite

Description Tabs

Description
Locality: 
Molinello Mine, Ne, Graveglia Valley, Genova Province, Liguria, Italy
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 2 × 0.6 cm
Description

Black neotocite spheres on matrix with quartz and dark red palenzonaite crystals.

Mineral Data
What's on the rock

Neotocite

Formula: 
(Mn,Fe,Mg)SiO3·H2O
Strunz: 
9.ED.20
Crystal System: 
Amorphous
Hardness: 
3.0 - 4.0
Colour: 
Brown Bronze or Black
Streak: 
Dark brown to black
Type Locality: 
Erik Ers Mine, Torsåker, Hofors, Gästrikland, Sweden

Palenzonaite

Formula: 
(Ca,Na)3CaMn2+2(VO4)3
Strunz: 
8.AC.25
Hardness: 
5.0 - 5.5
Colour: 
Dark red
Type Locality: 
Molinello Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy
Fine Minerals World