Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

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
  • Hausmannite & Sturmanite & Andradite
    Hausmannite & Sturmanite & Andradite
    N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape Province, South Africa
    Thumbnail (1-3cm)
    $

    You are the highest bidder

    You have been outbid

    Proxy bid set
    $
    Delayed bid of
    $
    Delayed Bid is Outbid
    Sold
    Bid
    Watch
    bids (reserve not met) (reserve met)
    ESM1045573
  • Sturmanite
    Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Thumbnail (1-3cm)
    $

    You are the highest bidder

    You have been outbid

    Proxy bid set
    $
    Delayed bid of
    $
    Delayed Bid is Outbid
    Sold
    Bid
    Watch
    bids (reserve not met) (reserve met)
    SMS1046839
  • Sturmanite With Hematite & Calcite
    Sturmanite With Hematite & Calcite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Small cabinet (7-10 cm)
    $

    You are the highest bidder

    You have been outbid

    Proxy bid set
    $
    Delayed bid of
    $
    Delayed Bid is Outbid
    Sold
    Bid
    Watch
    bids (reserve not met) (reserve met)
    SMS1040881
  • Calcite & Sturmanite
    Calcite & Sturmanite
    NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
    Miniature (4.5-7 cm)
    $

    You are the highest bidder

    You have been outbid

    Proxy bid set
    $
    Delayed bid of
    $
    Delayed Bid is Outbid
    Sold
    Bid
    Watch
    bids (reserve not met) (reserve met)
    SMS1042799
  • Sturmanite
    Sturmanite
    Wessels Mine, Hotazel, Kalahari, Northern Cape Province, South Africa
    Thumbnail (1-3cm)
    €

    You are the highest bidder

    You have been outbid

    Proxy bid set
    €
    Delayed bid of
    €
    Delayed Bid is Outbid
    Sold
    Bid
    Watch
    bids (reserve not met) (reserve met)
    LAM965748
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