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Manganvesuvianite

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SHS48913

Manganvesuvianite

Description Tabs

Description
Locality: 
Jakobsberg Mine, Nordmark, Filipstad, Värmland County, Sweden
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4.2 × 2.8 cm
Description

Redish manganvesuvian grains in matrix

Mineral Data
What's on the rock

Manganvesuvianite

Formula: 
Ca19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
Strunz: 
9.BG.35
Hardness: 
6.0 - 7.0
Streak: 
white
Type Locality: 
N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa...