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Manganvesuvianite

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SUR28040

Manganvesuvianite

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Description
Locality: 
Kuruman, Kalahari, Northern Cape Province, South Africa
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 2 cm
Description

A jumble of small dark manganvesuvianite crystals cemented together by pink rhodochrosite.

You can see the deep red colour of the vesuvianite under strong lighting.

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...
Surrey Minerals