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Sturmanite

Type Locality
Black Rock Mine, Black Rock, Kalahari manganese field, Northern Cape Province, South Africa
Mineral Data
Ca6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12·25H2O
Strunz: 
7.DG.15
Physical Properties
Crystal System: 
Trigonal
Hardness: 
2.5
Tenacity: 
brittle

Tabs

For Sale
  • Sturmanite
    Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Small miniature (3-4.5 cm)
    $

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    SMS1089032
  • Sturmanite With Manganite
    Sturmanite With Manganite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Miniature (4.5-7 cm)
    $

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    SMS1089071
  • Sturmanite
    Sturmanite
    NChwaning Mines, Kuruman, Northern Cape Province, South Africa
    Thumbnail (1-3cm)
    $

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    RSG1083837
  • Bementite & Sturmanite With Gaudefroyite
    Bementite & Sturmanite With Gaudefroyite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Small miniature (3-4.5 cm)
    $

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    SMS1084360
  • Manganite & Hausmannite On Sturmanite
    Manganite & Hausmannite On Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Cabinet (10-18 cm)
    $

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    SMS1084361
Archive
Displaying first 16 items. Click here to search for more.
  • Sturmanite
    Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Miniature (4.5-7 cm)
    Sold
    WT1089
  • Sturmanite
    Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Miniature (4.5-7 cm)
    Sold
    WT3182
  • Sturmanite
    Sturmanite
    NChwaning Mines, Kuruman, Northern Cape Province, South Africa
    Small miniature (3-4.5 cm)
    Sold
    QRI997435
  • Sturmanite
    Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Miniature (4.5-7 cm)
    Sold
    RAF134348
  • Sturmanite
    Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Cabinet (10-18 cm)
    Sold
    CR510874
  • Charlesite & Sturmanite
    Charlesite & Sturmanite
    NChwaning I Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Miniature (4.5-7 cm)
    Sold
    RAF541776
  • Sturmanite
    Sturmanite
    Wessels Mine, Hotazel, Kalahari, Northern Cape Province, South Africa
    Thumbnail (1-3cm)
    Sold
    TVM758736
  • Sturmanite & Calcite
    Sturmanite & Calcite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Miniature (4.5-7 cm)
    Sold
    KMF644564
  • Sturmanite
    Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Miniature (4.5-7 cm)
    Sold
    FRR717926
  • Sturmanite
    Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Miniature (4.5-7 cm)
    Sold
    CR34887
  • Sturmanite
    Sturmanite
    NChwaning I Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Small cabinet (7-10 cm)
    Sold
    ADMN32914
  • Sturmanite & Manganite
    Sturmanite & Manganite
    Hotazel, Kalahari, Northern Cape Province, South Africa
    Miniature (4.5-7 cm)
    Sold
    JYJ841236
  • Sturmanite
    Sturmanite
    Wessels Mine, Hotazel, Kalahari, Northern Cape Province, South Africa
    Cabinet (10-18 cm)
    Sold
    RAF562786
  • Sturmanite & Calcite
    Sturmanite & Calcite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Small cabinet (7-10 cm)
    Sold
    SSM720217
  • Sturmanite
    Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Small miniature (3-4.5 cm)
    Sold
    AMM956500
  • Sturmanite
    Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Small cabinet (7-10 cm)
    Sold
    ADMN92598
Locality List

Item Localities for Mineral

Namibia

Otavi Highlands

South Africa

North Cape Province

Northern Cape Province

South Africa

Spain

Castilla La Mancha

References
Mindat URL: 
http://www.mindat.org/min-3817.html