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Seamanite

Type Locality
Chicagon mine, Menominee iron range, Iron Co., Michigan, USA
Mineral Data
Mn2+3[B(OH)4](PO4)(OH)2
Strunz: 
6.AC.65
Physical Properties
Crystal System: 
Orthorhombic Small acicular crystals.
Streak: 
White
Hardness: 
4.0
Tenacity: 
brittle

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For Sale
  • Seamanite
    Seamanite
    Chicagon Mine, Iron County, Michigan, United States of America
    Micromount (under 1cm)
    $

    You are the highest bidder

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    Proxy bid set
    $
    Delayed bid of
    $
    Delayed Bid is Outbid
    Sold
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    bids (reserve not met) (reserve met)
    BCK1037905
Archive
Displaying first 16 items. Click here to search for more.
  • Seamanite
    Seamanite
    Chicagon Mine, Iron County, Michigan, United States of America
    Micromount (under 1cm)
    Sold
    BCK152122
  • Pyrobelonite & Seamanite
    Pyrobelonite & Seamanite
    Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
    Small miniature (3-4.5 cm)
    Sold
    JYJ765451
  • Seamanite
    Seamanite
    Chicagon Mine, Iron County, Michigan, United States of America
    Micromount (under 1cm)
    Sold
    SKY917894
  • Seamanite
    Seamanite
    Chicagon Mine, Iron County, Michigan, United States of America
    Micromount (under 1cm)
    Sold
    BCK208105
  • Shigaite & Seamanite
    Shigaite & Seamanite
    Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
    Thumbnail (1-3cm)
    Sold
    MTR746481
  • Seamanite & Pyrobelonite
    Seamanite & Pyrobelonite
    Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
    Thumbnail (1-3cm)
    Sold
    JYJ705386
  • Seamanite
    Seamanite
    Chicagon Mine, Iron County, Michigan, United States of America
    Micromount (under 1cm)
    Sold
    BCK762983
  • Seamanite Shigaite & Pyrobelonite
    Seamanite Shigaite & Pyrobelonite
    Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
    Small miniature (3-4.5 cm)
    Sold
    MTR783653
  • Seamanite
    Seamanite
    Chicagon Mine, Iron County, Michigan, United States of America
    Thumbnail (1-3cm)
    Sold
    BCK615141
  • Pyrobelonite & Seamanite
    Pyrobelonite & Seamanite
    Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
    Thumbnail (1-3cm)
    Sold
    JYJ823364
  • Seamanite & Triploidite
    Seamanite & Triploidite
    Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
    Thumbnail (1-3cm)
    Sold
    MTR759791
  • Seamanite
    Seamanite
    Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
    Thumbnail (1-3cm)
    Sold
    HEF1015173
  • Seamanite
    Seamanite
    Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
    Thumbnail (1-3cm)
    Sold
    MTR684554
Locality List

Item Localities for Mineral

Australia

South Australia

United States of America

Michigan

References
Mindat URL: 
http://www.mindat.org/min-3599.html