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Sarkinite & Neotocite

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SLN522098

Sarkinite & Neotocite

Description Tabs

Description
Locality: 
Gambatesa Mine, Reppia, Genova, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
3.4 × 11 × 10.8 cm
Weight: 
632.00gr
Description

Interesting specimen from Gambatesa Mine in Liguria of rare sarkinite in prismatic orange crystals on matrix in association with  trasparent  and lustrous dark caramel brown neotocite. 

Mineral Data
What's on the rock

Sarkinite

Formula: 
Mn2+2(AsO4)(OH)
Strunz: 
8.BB.15
Hardness: 
4.0 - 5.0
Type Locality: 
Harstigen Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden

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

Seller Information

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