• Queensland Boulder Opal 1.98ct Australian Natural Stone

    A free form shape Queensland Boulder Opal with bright multi colour mixed flashes on the carved face on a native ironstone base. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $76.00
    Was: Previous priceAU $95.00
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  • Queensland Boulder Opal 6.40ct Australian Natural Stone

    A free form shape Queensland Boulder Opal stone of bright multi colour red orange blue green mixed flashes in bars in a white common opal potch seam on a solid native ironstone base. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $55.20
    Was: Previous priceAU $69.00
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  • Queensland Boulder Opal 4.68ct Australian Natural Stone

    A free form shape Queensland Boulder Opal stone of bright multi colour red orange blue green mixed flashes in bars with common opal potch and ironstone in a carved face on a solid native ironstone base.
    AU $120.00
    Was: Previous priceAU $150.00
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  • 3 Solid Australian Opal Boulder Rough Lapidary LOT

    <p>3 solid Australian Opal boulder Lot. Very nice rough opal specimens to add to any collection or to cut and polish if you are a lapidary enthusiast. </p><p>Photos will show size and condition. Any questions please ask.</p>
    AU $32.50
    1 bidEnding Today at 12:33 AEST18m 28sShape: Rough
  • Queensland Boulder Opal 1.22ct Australian Natural Stone

    A free form drop shape Queensland Boulder Opal with blue green mixed flashes on an ironstone base. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $40.00
    Was: Previous priceAU $50.00
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    Colour: Green
  • Yowah Nut Boulder Matrix Opal 66.7ct, Polished Australian Gem stone

    Origin: Yowah, Queensland, Australia. Stone: Boulder Matrix Opal. Photos taken under bright LED desk lamp. Opal is usually at its best under good indoor light or in sunshine. The stone has a few natural pits.
    AU $75.00
    Colour: Blue
    AU $7.95 postage
    or Best Offer
  • Boulder Opal Solid

    <p>45 ct Cut stone. Solid boulder opal </p><p>Has a bright green seam running through the ironstone boulder.</p><p>From the Winton opal fields</p>
    AU $70.00
    AU $11.30 postage
    or Best Offer
  • Queensland Boulder Opal 3.74ct Australian Natural Stone

    A free form shape Queensland boulder opal stone pipe with gem electric blue green with chaff pattern flashes through the stone in an iron and sandstone matrix surrounding the colour on a native iron and sand matrix stone base.
    AU $180.00
    Was: Previous priceAU $225.00
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    Colour: Green
  • Queensland Boulder Opal 7.28ct Loose Australian Natural Stone

    A free form shape Queensland Boulder Opal Stone with bright multi colour red blue orange green flashes with ironstone in the face on a native ironstone base. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $104.00
    Was: Previous priceAU $130.00
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  • Queensland Boulder Opal 1.90ct Australian Natural Stone

    A free form Queensland boulder opal with red orange mixed flashes with small ironstone in the slightly carved face on an ironstone base. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $31.20
    Was: Previous priceAU $39.00
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  • Queensland Boulder Opal 2.98ct Australian Natural Stone

    A free form Queensland boulder opal with red green blue orange mixed sunburst flashes with small sand in the carved face on an ironstone base. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $68.00
    Was: Previous priceAU $85.00
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    19 watching
  • STUNNING QUALITY 302.60CT KOROIT QUEENSLAND BOULDER OPAL SPECIMEN/LAPIDARY

    DEEP COLOUR INCLUDING OUTSTANDING, VIVID AND ELECTRIC PURPLES, FLASHES OF BLUE AND GREEN. SOOOO BEAUTIFUL. ("CHECK OUT gembird 11). COMMUNICATION IS KEY SO.
    AU $20.00
    0 bids
    AU $10.50 postage
    Ending 1 Jul at 20:10 AEST5d 7hColour: Multi-Colour
  • Queensland Boulder Opal 17.01ct Australian Natural Wood Replacement Stone

    Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie. It is cut with the ironstone remaining on the back and is classified as solid opal. Boulder Opal.
    AU $184.00
    Was: Previous priceAU $230.00
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  • QLD BOULDER KOROIT NUT CRYSTAL GEM QUALITY ROUGH OPAL

    TOP QUALITY 78.85. ct VERY BRIGHT CRYSTAL KOROIT PART NUT QLD BOULDER ROUGH OPAL. PHOTOS DON'T DO THIS STONE JUSTICE. STUNNING, BRIGHT, FIREY MULTICOLOUR. PHOTOS TAKEN UNDER LAMP AND / OR NATURAL LIGHT.
    AU $35.00
    0 bids
    AU $10.50 postage
    Ending 3 Jul at 0:46 AEST6d 12hShape: RoughColour: Multi-Colour
  • Queensland Boulder Opal 101 Gram Specimen

    Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie. It is cut with the ironstone remaining on the back and is classified as solid opal. Boulder Opal.
    AU $236.00
    Was: Previous priceAU $295.00
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    Colour: Blue
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  • Koroit Boulder Opal 73.5ct, Purples/Blues, Polished Australian Gem stone

    Origin: Koroit Opal Field, Queensland, Australia. Stone: Boulder Matrix Opal. Photos taken under bright LED desk lamp. Opal is usually at its best under good indoor light or in sunshine.
    AU $100.00
    Colour: Blue
    AU $7.95 postage
    or Best Offer
  • Polished Australian Solid Boulder Opal 15.4ct

    We are an Australian Opal wholesaler. All of our opals are mined, cut and polished in Australia. Our Wechat ID is nopal2015.
    AU $210.00
    Free postage
    or Best Offer
  • Queensland Boulder Opal 76ct Specimen

    Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie. It is cut with the ironstone remaining on the back and is classified as solid opal. Boulder Opal.
    AU $200.00
    Was: Previous priceAU $250.00
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  • 10 x 6mm 1.32ct Boulder opal natural solid loose stone unset Winton Australia

    Origin Winton, Queensland, Australia. About Boulder Opal:Boulder opals which are mined only in central Queensland Australia, are fund in ironstone. Natural solid boulder opal loose stone 1.32ct - YouTube.
    AU $75.00
    Free postage
    eBay Premium ServiceColour: Green
  • Queensland Boulder Opal 4.59ct Loose Australian Natural Stone

    It is cut with the ironstone remaining on the back and is classified as solid opal. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie. Boulder Opal.
    AU $340.00
    Was: Previous priceAU $425.00
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    Colour: Multi-Colour
    22 watching
  • Polished Australian Solid Boulder Opal 22ct

    We are an Australian Opal wholesaler. All of our opals are mined, cut and polished in Australia. Our Wechat ID is nopal2015.
    AU $130.00
    Free postage
  • Polished Australian Solid Boulder Opal 53ct

    We are an Australian Opal wholesaler. All of our opals are mined, cut and polished in Australia. Our Wechat ID is nopal2015.
    AU $435.00
    Free postage
    or Best Offer
  • Boulder Matrix Nut Opal 82.4ct, Blackgate, Yowah, Oval Polished Australian Gem

    Origin: Blackgate Opal Field near Yowah, Queensland, Australia. Stone: Boulder Matrix Opal. This is an example of a partially filled ironstone nodule (or nut), it has made the appearance of an opal pool.
    AU $110.00
    Colour: Blue
    AU $7.95 postage
    or Best Offer
  • 2 Solid Australian Opal Boulder Rough/ Freeform Lapidary LOT

    <p>2 solid Australian Opal boulder Lot. Please note the colour in these stones are actually purple rather than blue that the photos show. 2 very nice rough opal specimens. </p><p>Photos will show size and condition. Any questions please ask.</p>
    AU $32.50
    1 bidEnding 1 Jul at 15:37 AEST5d 3hShape: Rough
  • Queensland Boulder Opal 25.60ct Australian Natural Stone

    Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie. It is cut with the ironstone remaining on the back and is classified as solid opal. Boulder Opal.
    AU $300.00
    Was: Previous priceAU $375.00
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  • Queensland Boulder Opal 5.86ct Australian Natural Stone

    A free form long oval shape Queensland Boulder Opal with very bright multi colour red orange gold blue green vivid 2 way flash in band through the centre of the stone on an ironstone base. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $260.00
    Was: Previous priceAU $325.00
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  • Queensland Boulder Opal 4.70ct Loose Australian Natural Stone

    A free form oval shape Matrix Queensland Boulder Opal Stone with very bright multi colour red green blue flashes in matrix of colour with larger crystal like colour just off centre in the face on an carved undulating stone native ironstone base.
    AU $200.00
    Was: Previous priceAU $250.00
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  • Red Green Blue Gold BOULDER OPAL 16.62ct freeform Specimen

    A very beautiful rich set of veins of red green blue gold opal in Boulder ironstone matrix material. This is a freeform shape of ironstone matrix exposing the veins of opal colour. The surface is undulating on the front and smooth and slightly curved on the back. Maximum overall approximate dimensions are: 16.62cts; 22.8mm long; 16.3mm wide and 5.35mm thick. The opal has been photographed against a US 1 cent coin for comparison purposes only which is the same size as an Australian 5 cent coin. Condition as per photographs. This beautiful colourful Boulder Opal is predominately vivid Red but does change on some angles to vivid greens, golds and blue in combination. The opal can be left as a specimen or set into a unique pendant.
    AU $325.00
    Free postage
    eBay Premium ServiceColour: Red
  • Queensland Boulder Opal 13.11ct Australian Natural Stone

    A free form oval shape Queensland Boulder Opal with very bright multi colour blue green mixed flashes in seam through the centre of the stone running into the stone on a iron and sandstone base. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $200.00
    Was: Previous priceAU $250.00
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    Colour: Multi-Colour
    or Best Offer
  • QUEENSLAND BOULDER OPAL SPECIMEN READY FOR CUTTING AND POLISHING

    AU $165.00
    Colour: Multi-Colour
    AU $20.00 postage
    or Best Offer
  • 30 x 14 mm 22.95 Ct Boulder opal natural solid loose unset stone Australia

    <p>30 x 14 mm 22.95 Ct Boulder opal natural solid loose unset stone Australia</p>
    AU $39.00
    1 bid
    Free postage
    Ending Today at 13:47 AEST1h 32mColour: Blue
  • Queensland Boulder Opal 56.60ct Australian Natural Stone

    A free form square shape Queensland boulder opal with bright seam of crystal blue green with mixed sparkling and bar flashes and window through the stone with polished ironstone in a carved face on a carved native iron and sandstone and colour base.
    AU $260.00
    Was: Previous priceAU $325.00
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    Colour: Green
  • Queensland Boulder Opal 4.08ct Loose Australian Natural Stone

    It is cut with the ironstone remaining on the back and is classified as solid opal. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie. Boulder Opal.
    AU $476.00
    Was: Previous priceAU $595.00
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    Colour: Multi-Colour
    20 watching
  • Queensland Boulder Opal 14.48ct Australian Natural Stone

    A free form square shape Queensland boulder opal with multi colour bright red green blue orange mixed flashes with ironstone in a slightly carved and fractured face on a carved native ironstone base. It is cut with the ironstone remaining on the back and is classified as solid opal.
    AU $280.00
    Was: Previous priceAU $350.00
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  • Queensland Boulder Opal 16.45ct Australian Natural Stone

    Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie. It is cut with the ironstone remaining on the back and is classified as solid opal. Boulder Opal.
    AU $200.00
    Was: Previous priceAU $250.00
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    Colour: Multi-Colour
  • Red, Orange, Blue & Green Boulder Doublet Opal

    1.5 carat Boulder Doublet Opal. Boulder Doublet Opal from Coober Pedy, SA, Australia. This is a Doublet Opal, it is. This natural Australian Opal displays a red colour constantly flashing and occasional red and blue colours popping up.
    AU $110.00
    Free postage
    Colour: Green
    or Best Offer
    10 watching
  • Queensland Boulder Opal 8.33ct Yowah Nut Australian Natural Stone

    Yowah Nut Opal. Yowah Region. It is cut with the ironstone remaining on the back and is classified as solid opal. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $236.00
    Was: Previous priceAU $295.00
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    Colour: Green
    or Best Offer
  • Queensland Boulder Opal 20.07ct Australian Natural Stone

    A free form drop shape Queensland boulder opal picture stone with multi colour b lue g reen flashes on a native ironstone base. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $140.00
    Was: Previous priceAU $175.00
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    Colour: Green
    or Best Offer
  • Large Boulder Opal Pendant (unmounted) - price reduced

    I'm sorry I cant be specific about where in Queensland. It's a beautiful opal. BEAUTIFUL OPAL CUT AND READY TO BE MOUNTED AS PENDANT OR MAYBE FOR A LARGE RING. They are always beautiful in colours and generous in size.
    AU $170.00
    Free postage
  • Queensland Boulder Opal 2.91ct Loose Australian Natural Stone

    A free form oval shape Queensland boulder opal with mixed multi colour red orange yellow flashes with common opal potch in the carved face on a solid native ironstone base. It is cut with the ironstone remaining on the back and is classified as solid opal.
    AU $144.00
    Was: Previous priceAU $180.00
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  • Queensland Boulder Opal 4.78ct Australian Natural Stone

    Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie. It is cut with the ironstone remaining on the back and is classified as solid opal. Boulder Opal.
    AU $280.00
    Was: Previous priceAU $350.00
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  • Queensland Boulder Opal 2.39ct Australian Natural Stone

    Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie. It is cut with the ironstone remaining on the back and is classified as solid opal. Boulder Opal.
    AU $116.00
    Was: Previous priceAU $145.00
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    Colour: Multi-Colour
  • Queensland Boulder Opal 9.35ct Loose Australian Natural Stone

    It is cut with the ironstone remaining on the back and is classified as solid opal. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie. Boulder Opal.
    AU $200.00
    Was: Previous priceAU $250.00
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    or Best Offer
    25 watching
  • Queensland Boulder Opal 3.43ct Australian Natural Stone

    A free form shape Queensland boulder opal stone with bright rolling Green Blue flashes with ironstone in a slightly carved face on a native ironstone base. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $120.00
    Was: Previous priceAU $150.00
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    Colour: Multi-Colour
    or Best Offer
  • Queensland Boulder Opal 7.31ct Australian Natural Stone

    A free form shape Queensland boulder opal stone with very bright green and blue green mixed flashes in an iron and sandstone matrix surrounding the colour on a native ironstone base. Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie.
    AU $68.00
    Was: Previous priceAU $85.00
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    Colour: Green
  • Australian Boulder Opal Yowah Nut Polished Gemstone Specimen speci668

    A nice piece of Yowah Nut from Queensland Australia. Region : Yowah. This piece has been polished with a flat sawn base. Length (mm) : 35.
    AU $253.00
    or Best Offer
    Colour: Multi-Colour
  • Queensland Boulder Opal 4.22ct Australian Natural Pair

    A free form shape Queensland Boulder Opal Pair with multi colour mixed bar flashes slightly unmatched size on a native ironstone base. It is cut with the ironstone remaining on the back and is classified as solid opal.
    AU $200.00
    Free postage
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    Colour: Multi-Colour
  • Polished Australian Solid Boulder Opal 27.5ct

    We are an Australian Opal wholesaler. All of our opals are mined, cut and polished in Australia. Our Wechat ID is nopal2015.
    AU $280.00
    Free postage

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