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Page 1 of 19 results.
  • Bismuthinite
    RMM65440
    Victoria Mine, Dolly Varden District, Elko County, Nevada, United States of America
    Size: 
    5 × 5 × 2 cm
    Miniature (4.5-7 cm)
    Description: 
    A 2.5 cm long crystalline mass of bismuthinite on matrix is accompanied by chalcopyrite and pyrite.
    Sold
  • Armenite
    RMM80334
    Remigny, Abitibi-Témiscamingue, Québec, Canada
    Size: 
    7 × 4 × 2.5 cm
    Small cabinet (7-10 cm)
    Description: 
    Un-terminated group of white to colourless armenite crystals to 4.5 cm. Crystals from this locality are not known to be terminated. The...
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  • Boulangerite
    RMM63634
    Cleveland Mine, Adams Mountain, Stevens County, Washington, United States of America
    Size: 
    5.5 × 3 × 3 cm
    Miniature (4.5-7 cm)
    Description: 
    Numerous acicular crystals to 7.0 mm in siderite, associate with brown sphalerite. The piece weighs approximately 120 grams.
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  • Zircon Var Cyrtolite
    RMM82391
    Davis Quarry, Dungannon Township, Hastings County, Ontario, Canada
    Size: 
    2.7 × 1.7 × 1.2 cm
    Thumbnail (1-3cm)
    Description: 
    This is a specimen of zircon of the variety cyrtolite. It is weakly radioactive and it fluoresces a dull yellow in short-wave UV.
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  • Sphalerite
    RMM32326
    Flamboro Quarry, West Flamborough Township, Wentworth County, Ontario, Canada
    Size: 
    3.5 × 1.8 × 1.5 cm
    Small miniature (3-4.5 cm)
    Description: 
    Honey coloured sphalerite crystals on matrix
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  • Atacamite
    RMM28768
    La Farola Mine, Cerro Pintado, Tierra Amarilla, Copiapó Province, Atacama Region, Chile
    Size: 
    11 × 9 × 4.5 cm
    Cabinet (10-18 cm)
    Description: 
    Cabinet specimen of radiating green atacamite crystals on white halloysite with up to 4.0mm sprays of olive green olivenite crystals.
    Sold
  • Pyrite
    RMM28820
    Rensselaer Quarry, Pleasant Ridge, Jasper County, Indiana, United States of America
    Size: 
    10 × 8 × 7 cm
    Cabinet (10-18 cm)
    Description: 
    An undamaged group of pyrite octahedrons with cube modifications. The specimen has been reinforced with glue on one end. Some specimens...
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  • Thorianite
    RMM78135
    Andranodambo, Sakaraha, Atsimo-Andrefana, Madagascar
    Size: 
    0.7 × 0.6 × 0.6 cm
    Micromount (under 1cm)
    Description: 
    A single crystal of thorianite.
    Sold
  • Plancheite
    RMM63637
    Mashamba West Mine, Kolwezi, Lualaba, DR Congo
    Size: 
    2.5 × 2.3 × 1.7 cm
    Thumbnail (1-3cm)
    Description: 
    Botryoidal plancheite on quartz.
    Sold
  • Marcasite
    RMM80348
    Dundas Quarry, West Flamborough Township, Hamilton, Ontario, Canada
    Size: 
    4 × 2.5 × 2 cm
    Small miniature (3-4.5 cm)
    Description: 
    Marcasite crystals of varying form: some are the "cockscomb" shape. Also present are calcite crystals. This type of marcasite from the...
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  • Stilbite
    RMM29462
    Pune (Poonah), Maharashtra, India
    Size: 
    11 × 7.5 × 5.5 cm
    Cabinet (10-18 cm)
    Description: 
    A group of "bow-tie" stilbite with no damage.
    Sold
  • Skutterudite & Safflorite
    RMM34946
    Nipissing 404 Mine, Coleman Township, Cobalt, Timiskaming District, Ontario, Canada
    Size: 
    3.5 × 3 × 1.5 cm
    Small miniature (3-4.5 cm)
    Description: 
    A group of skutterudite crystals in parallel growth partially covered with micro-safflorite crystals.
    Sold
  • Ferronigerite-2N1S
    RMM85513
    Three Aloes Mine, Uis, Dâures, Erongo Region, Namibia
    Size: 
    2.5 × 1.5 × 1 cm
    Thumbnail (1-3cm)
    Description: 
    For offer is a shiny 4 x 3 x 0.8 mm crystal of the rare mineral ferronigerite 2N1S on matrix. The crystal has some damage as can be seen in...
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  • Gold & Pyrite
    RMM34639
    Johnny Mountain Mine, Iskut River, Liard Mining Division, British Columbia, Canada
    Size: 
    2.5 × 1.5 × 1 cm
    Thumbnail (1-3cm)
    Description: 
    Very fine-grained native gold in quartz with pyrite. One side has been sawn. Samples from this mine are seldom seen since the mine produced...
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  • Uraninite & Hornblende
    RMM78140
    Tripp Mine, Cardiff Township, Haliburton County, Ontario, Canada
    Size: 
    2.8 × 2.2 × 1.8 cm
    Thumbnail (1-3cm)
    Description: 
    A single cubo-octohedral cyrstal of uraninite on hornblende crystals. We will ship in accordance with UN2910 guidelines.
    Sold
  • Uraninite
    RMM59669
    Tripp Mine, Cardiff Township, Haliburton County, Ontario, Canada
    Size: 
    4.5 × 2.5 × 3 cm
    Miniature (4.5-7 cm)
    Description: 
    A very sharp cubo-octohedran of uraninite with no damage in calcite and dark purple fluorite (variety antozonite). We will ship according...
    Sold
  • Witherite & Fluorite
    RMM47144
    Minerva #1 Mine, Cave-in-Rock, Hardin County, Illinois, United States of America
    Size: 
    7 × 5 × 4 cm
    Small cabinet (7-10 cm)
    Description: 
    This specimen consists of a double-terminated witherite crystal on yellow and blue fluorite with minor calcite. The witherite crystal has...
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  • Prehnite & Diopside
    RMM63198
    Jeffrey Mine, Val-des-Sources, Estrie, Québec, Canada
    Size: 
    2.5 × 1.5 × 1 cm
    Thumbnail (1-3cm)
    Description: 
    A double-terminated, undamaged prehnite crystal adorned with micro crystals of diopside.
    Sold
  • Morenosite
    RMM83877
    Vermilion Mine, Denison Township, Sudbury District, Ontario, Canada
    Size: 
    2.5 × 2 × 2 cm
    Thumbnail (1-3cm)
    Description: 
    Light blue-green morenosite on nickel-bearing ore from the Vermilion Mine.
    Sold
Page 1 of 19 results