Results in Natural Loose Opals

1-25 of 7,328

  • AUSTRALIAN OPAL ROUGH NATURAL 39.2 CTS COOBER PEDY GREY BASE ® GTOPALS © #NY4

    AUSTRALIAN OPAL ROUGH NATURAL 39.2 CTS COOBER PEDY GREY BASE ® GTOPALS © #NY4

    Opal Fields Coober Pedy. GTOPALS Australian Opal Miner Direct. Australian Opal Miner Direct™. MULTI COLOURED. RED GREY BASE. 39.2 CARATS. at (OLD FOUR MILE FIELD ). Being earth mined may contain cracks or intrusions.
    AU $4,250.00
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  • 1000++ CT Gemstone Rough From Lightning Ridge, Australia Opal RP887

    1000++ CT Gemstone Rough From Lightning Ridge, Australia Opal RP887

    Natural pieces of seam opal from Lightning Ridge. Measurements are generally rounded down and approximate. A mixture of seam and some fossil material.
    AU $59.00
    Available for Best Offeror Best Offer
    Free postage
  • AUSTRALIAN OPAL ROUGH NATURAL 48.3 CTS COOBER PEDY GREY BASE ® GTOPALS © #KN1☆

    AUSTRALIAN OPAL ROUGH NATURAL 48.3 CTS COOBER PEDY GREY BASE ® GTOPALS © #KN1☆

    Mined by Gina and Tim (GT OPALS) at (KENDA FLAT ) Opal Fields Coober Pedy. GTOPALS Australian Opal Miner Direct. Australian Opal Miner Direct™. POTCH AND COLOURS. GREY BASE. 48.3 CARATS. Being earth mined may contain cracks or intrusions.
    AU $267.99
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  •  1000+++ Ct Gemstone Rough From Lightning Ridge, Australia Opal RP876

    1000+++ Ct Gemstone Rough From Lightning Ridge, Australia Opal RP876

    Natural pieces of seam opal from Lightning Ridge. Measurements are generally rounded down and approximate. A mixture of seam and some fossil material.
    AU $45.00
    Available for Best Offeror Best Offer
    Free postage
  • 10ct Natural Australian Opal Coober Pedy Opal Solid Stone Cut Polished

    10ct Natural Australian Opal Coober Pedy Opal Solid Stone Cut Polished

    It will set superbly in any kind of setting, making a breathtaking piece of natural Australian opal jewellery. Beautiful Australian solid opal. Striking green orange,yellow, blue and red colors with a magnificent and unusual pattern.
    AU $3,000.00
    Available for Best Offeror Best Offer
    Free postage
  • AUSTRALIAN OPAL ROUGH NATURAL 12.1 CTS COOBER PEDY HALF SHELL ® GTOPALS © #L08☆

    AUSTRALIAN OPAL ROUGH NATURAL 12.1 CTS COOBER PEDY HALF SHELL ® GTOPALS © #L08☆

    Mined by Gina and Tim (GT OPALS) at (KENDA FLAT ) Opal Fields Coober Pedy. Australian Opal Miner Direct™. GTOPALS Australian Opal Miner Direct. POTCH AND COLOURS. HALF SHELL. "SPECIMENS" GREY BASE.
    AU $199.99
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  • 1.45ct Coober Pedy Solid Opal Stone Natural Australian Loose Cut Polished Gem #3

    1.45ct Coober Pedy Solid Opal Stone Natural Australian Loose Cut Polished Gem #3

    Stunning natural Australian solid opal stone mined at Emu field Coober Pedy. Red - orange - blue - yellow colors with a lovely pattern. Perfect cut for setting it in a pendant or onto a ring making a one of a kind piece of natural Australian opal jewellery.
    AU $99.89
    Free postage
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  • 1.5ct Natural Coober Pedy Solid Australian Opal Stone Cut Gem Polished #327

    1.5ct Natural Coober Pedy Solid Australian Opal Stone Cut Gem Polished #327

    Beautiful little Natural Australian solid opal gemstone mined at Opal Vally field Coober Pedy. Lovely green - red - blue colors with a nice pattern. Perfect cut for setting it in a pendant or onto a ring making a one of a kind piece of natural Australian opal jewellery.
    AU $84.79
    Free postage
  • Australian Opal, Boulder Opal Solid Polished Loose Natural Gemstone 8081

    Australian Opal, Boulder Opal Solid Polished Loose Natural Gemstone 8081

    Boulder opal is a type of opal that forms within the cavities of ironstone boulders in both vertical and horizontal cracks. It is cut with the ironstone remaining on the back and is classified as solid opal.
    AU $150.00
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  •  500+++ Ct Gemstone Rough From Lightning Ridge, Australia Opal RP889

    500+++ Ct Gemstone Rough From Lightning Ridge, Australia Opal RP889

    Natural pieces of seam opal from Lightning Ridge. Measurements are generally rounded down and approximate. A mixture of seam and some fossil material.
    AU $38.00
    Available for Best Offeror Best Offer
    Free postage
  • Australian Opal, Boulder Opal Solid Polished Loose Natural Gemstone 7987

    Australian Opal, Boulder Opal Solid Polished Loose Natural Gemstone 7987

    Boulder opal is a type of opal that forms within the cavities of ironstone boulders in both vertical and horizontal cracks. It is cut with the ironstone remaining on the back and is classified as solid opal.
    AU $40.00
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  • 2.6ct Solid GEM BLACK Mintabie Opal

    2.6ct Solid GEM BLACK Mintabie Opal

    Up for grabs is this stunning 2.6ct Solid GEM BLACK Mintabie Opal. Photo's have been taken under natural sunlight OR a normal house lamp, on a macro setting. Photo's and weights are taken whilst the stone is not wet.
    AU $440.00
    AU $6.00 postage
  • Australian Lightning Ridge Rough Black Opal 1 oz of Potch & Colour

    Australian Lightning Ridge Rough Black Opal 1 oz of Potch & Colour

    Australian Lightning Ridge Rough Black and Crystal/White Opal 1 oz - 142 cts of Potch & Color.
    AU $25.00
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  • Australian Opal, Boulder Opal Solid Polished Loose Natural Gemstone 8063

    Australian Opal, Boulder Opal Solid Polished Loose Natural Gemstone 8063

    Boulder opal is a type of opal that forms within the cavities of ironstone boulders in both vertical and horizontal cracks. It is cut with the ironstone remaining on the back and is classified as solid opal.
    AU $180.00
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    Available for Best Offeror Best Offer
    Free postage
  • 2.65ct Australian Natural Coober Pedy Solid Opal Stone Cut Polished #326

    2.65ct Australian Natural Coober Pedy Solid Opal Stone Cut Polished #326

    Natural Australian solid opal stone mined at 2 Mile field Coober Pedy. Beautiful green - red - yellow - orange colors with a lovely pattern. Perfect cut for setting it in a pendant or onto a ring making a one of a kind piece of natural Australian opal jewellery.
    AU $79.99
    Free postage
  • 21.6ct Natural Australian Opal Solid Mintabie Black Opal Stone Cut Loose #169

    21.6ct Natural Australian Opal Solid Mintabie Black Opal Stone Cut Loose #169

    One of a kind natural Australian solid black opal stone mined at Mintabie opal fields, South Australia. It's truly a amazing stone. 100% GENUINE AUSTRALIAN OPAL STRAIGHT FROM THE MINER WITH NO MIDDLE MAN, MEANING TOP OPAL AT UNBEATABLE WHOLESALE PRICES.
    AU $14,486.99
    Available for Best Offeror Best Offer
    Free postage
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  • Queensland Boulder Opal 7.47ct Loose Australian Natural Stone

    Queensland Boulder Opal 7.47ct Loose Australian Natural Stone

    A free form drop shape Queensland boulder opal stone with a green blue colour bar across the matrix Winton region stone. Boulder opal is a type of opal that forms within the cavities of ironstone boulders dating from the time when central Queensland was cover by an inland sea The Opal is found in both vertical and horizontal cracks or seams.
    AU $35.00
    AU $7.50 postage
  • 7.45ct Natural Australian Black Opal Solid Mintabie Stone Cut Loose Gem #168

    7.45ct Natural Australian Black Opal Solid Mintabie Stone Cut Loose Gem #168

    Stunning natural Australian solid black opal stone mined at Mintabie Opal fields, South Australia. Stunning green - orange - blue - red - yellow colors with a beautiful unusual pattern. Perfect cut for setting it in any kind of setting, producing a one of a kind piece of natural Australian opal jewellery.
    AU $7,249.86
    Free postage
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  • AUSTRALIAN OPAL POLISH NATURAL 6.9 CTS QLD BOULDER  ® GTOPALS © #T3

    AUSTRALIAN OPAL POLISH NATURAL 6.9 CTS QLD BOULDER ® GTOPALS © #T3

    GTOPALS Australian Opal Miner Direct. Australian Opal Miner Direct™. "QUEENSLAND BOULDER OPAL". Being earth mined may contain cracks or intrusions. Be sure to add me to your favourites list! Weight 6.9 Carats.
    AU $150.00
    AU $10.40 postage
  • Australian Opal, Boulder Opal Solid Polished Loose Natural Gemstone 7863

    Australian Opal, Boulder Opal Solid Polished Loose Natural Gemstone 7863

    Boulder opal is a type of opal that forms within the cavities of ironstone boulders in both vertical and horizontal cracks. It is cut with the ironstone remaining on the back and is classified as solid opal.
    AU $50.00
    eBay Premium Service
    Free postage
  • Lightning Ridge Black Opal 3.47ct Loose Australian Natural Stone

    Lightning Ridge Black Opal 3.47ct Loose Australian Natural Stone

    Black Opal refers to the underlying colour – the colour of the opal when you turn it over. The darker the body the more valuable to stone may be. It is this darkness that lends brightness to the other colours displayed with in the stone.
    AU $120.00
    Available for Best Offeror Best Offer
    Free postage
  • 2.35ct Natural Australian Opal Doublet Coober Pedy Queensland Boulder Stone #3

    2.35ct Natural Australian Opal Doublet Coober Pedy Queensland Boulder Stone #3

    Beautiful Australian opal doublet on a Queensland boulder backing mined at Emu field Coober Pedy. Beautiful green orange yellow blue red colors with a fantastic pattern. 100% GENUINE AUSTRALIAN OPAL STRAIGHT FROM THE MINER WITH NO MIDDLE MAN.
    AU $89.87
    Free postage
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  • Australian Mintabie Rough Opal 10ct mini parcel  MP002

    Australian Mintabie Rough Opal 10ct mini parcel MP002

    Australian Mintabie Rough Opal mini parcel. (Due to irregular shape,measurement taken on longest/wider point).
    AU $85.00
    Available for Best Offeror Best Offer
    Free postage
  • BOULDER OPAL Crystal Purple Blue Green in matrix 1.75ct

    BOULDER OPAL Crystal Purple Blue Green in matrix 1.75ct

    BOULDER Pipe Opal from outback Queensland Australia. A lovely crystal Blue Purple greeen opal in matrix material. Condition as per photographs.
    AU $250.00
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  • 32.50 CTS BOULDER OPAL KOROIT YOWAH AUSTRALIAN NATURAL SOLID POLISHED

    32.50 CTS BOULDER OPAL KOROIT YOWAH AUSTRALIAN NATURAL SOLID POLISHED

    Answer:The answer, put simply, is the diffraction of light. Much like a prism, which can refract white light and produce a rainbow effect, opals diffract the white light which is coming from above, displaying those amazing opal colours.
    AU $289.00
    Available for Best Offeror Best Offer
    Free postage

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