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Katoptrite & Sonolite

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SHS140784

Katoptrite & Sonolite

Description Tabs

Description
Locality: 
Jakobsberg Mine, Nordmark, Filipstad, Värmland County, Sweden
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.4 × 1.5 cm
Description

Red katoptrite with sonolite in matrix

Mineral Data
What's on the rock

Katoptrite

Formula: 
(Mn2+,Mg)13(Al,Fe3+)4Sb5+2(SiO4)2O20
Strunz: 
9.AE.40
Hardness: 
5.5
Streak: 
red brown
Type Locality: 
Brattfors Mine, Nordmark (Nordmarksberg), Filipstad, Värmland, Sweden

Sonolite

Formula: 
Mn2+9(SiO4)4(OH,F)2
Strunz: 
9.AF.55
Hardness: 
5.5
Type Locality: 
Sono mine, Wazuka-cho, Sohraku-gun, Kyoto Prefecture, Kinki Region, Honshu Island, Japan