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Wood Fossil Boulder Opal Pendant 54ct
AU$455Opal Details:
Type: Natural, Solid, Untreated Polished Wood Fossil Boulder Opal
Origin: Queensland, Australia
Dimensions: 36 × 25 × 5 mm (approx.)
Weight: 54ct (approx.)
Necklace Details:
Type: Adjustable Slide Knot Cord
Color: Dark Brown
Wood Fossil Boulder Opal Pendant 35ct
AU$45535ct Australian wood fossil boulder opal pendant from Winton, Queensland featuring vivid green, blue, and yellow fire with subtle orange flashes. Polished teardrop shape with natural drilled hole, ready to wear on a brown adjustable cord. 100% natural and untreated October birthstone opal.
Type: Natural Solid Wood Fossil Boulder Opal Pendant
Origin: Winton, Queensland, Australia
Weight: 35 ct (approx.)
Dimensions: 31 x 20 x 6 mm (approx.)
Color: Green, blue, yellow, and orange fire in fossil wood matrix
Cut Shape: Teardrop polished freeform
Necklace: Brown adjustable cord, ready to wear
Treatment: 100% natural, untreated opal (not a doublet or triplet)
Wood Fossil Boulder Opal Pendant 34ct
AU$45534ct Australian wood fossil boulder opal pendant from Winton Queensland featuring vivid lime green and deep blue fire across its polished oval cabochon surface. Finished with a natural drilled hole and adjustable beige cord necklace. 100% natural and untreated, ideal for October birthstone jewelry.
Type: Natural solid boulder opal pendant
Material: Wood fossil boulder opal
Origin: Winton, Queensland, Australia
Weight: 34 carats
Dimensions: 30 x 19 x 5 mm approx
Color: Lime green and deep blue fire with polished brown ironstone
Cut / Shape: Oval cabochon
Necklace: Adjustable beige braided cord
Treatment: 100% natural untreated opal not a doublet or triplet
3.4ct Natural Boulder Opal Deep Blue Fire
AU$455100% Natural Solid Boulder Opal Polished Stone
Weight: 3.4 ct
Dimensions: 14.8×8.2×3 mm
Source: Winton,QLD, Australia
Size and weight are approximate
Blue Winton Boulder Opal 5 ct
AU$455Natural Solid Untreated Boulder Opal Polished Stone
Weight: 5 carats
Dimensions: 16.5×8.5×3.2 mm
Source: Winton, QLD, Australia
Size and weight are approximate
Wood Fossil Boulder Opal Pendant 52.5ct
AU$455💎 Opal Details:
Type: Natural, Solid, Untreated Polished Wood Fossil Boulder Opal
Origin: Queensland, Australia
Dimensions: 41.5 × 22 × 7.5 mm (approx.)
Weight: 52.5ct (approx.)
💎 Necklace Details:
Type: Adjustable Slide Knot Cord
Color: Brown
5.38ct Natural Crystal Boulder Opal
AU$455Natural Solid Untreated Australian Pipe Crystal Boulder Opal Polished Stone
Weight: 5.38 carats
Dimensions: 15x10x3 mm
Source: Winton, QLD, Australia
Size and weight are approximate
1.06 ct Dark Opal Heart
AU$455Natural Solid Untreated Australian Dark Opal / Semi Black Opal Polished Stone
Weight: 1.06 carats
Dimensions: 7x9x2 mm
Source: Lightning Ridge, NSW, Australia
Size and weight are approximate
Boulder Opal Pendant 32ct
AU$455Type: Natural Solid Untreated Boulder Opal
Origin: Winton, Queensland, Australia
Dimensions: 31 × 22 × 7 mm approx
Weight: 32ct approx
Color: Blue and green fire with earthy sandstone matrix
Necklace: Adjustable black cord gift ready
Use: Statement pendant unisex jewelry collector piece
Koroit Boulder Opal Pendant 48ct
AU$455Type: Natural Solid Untreated Polished Boulder Opal
Origin: Koroit, Queensland, Australia
Dimensions: 25 × 25 × 8 mm approx
Weight: 48ct approx
Color: Brown ironstone with fiery rainbow sparkling fire veins of green blue purple
Shape: Triangular pendant, solid untreated opal for statement jewelry
16.1ct Natural Boulder Opal Pendant Rectangle Blue-Green
AU$455Pendant: S925 Stamped Rhodium Plated Sterling Silver
Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Dimensions: 26×8.5×5.5 mm
Whole Pendant Weight: 16.1 ct
(Size and weight are approximate)
1.34ct Crystal Opal Pair 2pcs Calibrated 10x7mm 8x5mm
AU$4481.34ct total natural Australian crystal opal pair from Coober Pedy featuring vivid green, blue, and golden fire. Freeform pear shapes, not calibrated, ideal for custom earrings, pendants, or bespoke fine jewelry. 100% natural solid opals and October birthstone gemstones.
Type: Natural Solid Crystal Opal Pair
Origin: Coober Pedy, South Australia
Total Weight: 1.34 carats (approx.)
Stone 1 Dimensions: 10 x 7 x 2.5 mm (approx.)
Stone 2 Dimensions: 8 x 5 x 1.5 mm (approx.)
Color: Vivid green, blue, yellow, and multicolor fire
Cut / Shape: Freeform pear cabochons (not calibrated)
Treatment: 100% natural and untreated (not doublet or triplet)
Use: Custom earrings, pendant pair, bespoke fine jewelry, collector stones
1.09ct Crystal Opal Pair 2pcs Calibrated 10x7mm 5x5mm
AU$448Opal: Natural, Solid, Untreated, Polished, Transparent, Calibrated
Source: Andamooka, Australia
Dimensions: Oval – 10x7x2 mm / Round – 5x5x2 mm
Total Weight: 1.09 ctw
(Size and weight are approximate)
Opal Doublet Set Freeform Multicolor Fire 2.41ct
AU$426Type: Australian opal doublet parcel
Origin: Australia
Weight: approximately 2.41 ct total
Dimensions: 15.1 x 7.9 mm and 8.9 x 5.3 mm
Colour: orange, yellow, green and blue play of colour
Shape: marquise polished cabochons
Treatment: opal doublet construction (genuine opal layer bonded to ironstone backing)
Opal Doublet Pair 4.59ct
AU$4264.59ctw Australian opal doublet freeform pair featuring vivid red, orange, yellow, green, and blue fire. Professionally polished matched cabochons, ideal for earrings, pendants, and fine jewelry designs.
Stone Type: Natural Australian Opal Doublet
Quantity: 2 stones (matched pair)
Total Weight: 4.59ctw approx
Dimensions: 15 x 7.3 x 2 mm approx
Color: Red, orange, yellow, green, blue
Shape: Freeform calibrated cabochon
Treatment: Opal doublet (natural crystal opal bonded to ironstone)
Suitable For: Earrings, rings, pendants, matched settings, fine jewelry
Sterling Silver Green Oval Boulder Opal Ring 35 ct US9
AU$426Opal: Natural, Solid, Untreated, Polished
Source: Queensland, Australia
Setting Dimensions: 22×14.5×7 mm approx
Whole Ring Weight: 35 ct approx
Ring: S925 (Stamped), Rhodium Plated, Sterling Silver
Ring Band Dimension: 3.5 mm approx
Ring Size: US9 (Size change is not available)
Bezel set in Hypoallergenic Rhodium Plated 925 Sterling Silver
3.91ct Natural Boulder Opal Blue Fire
AU$426100% Natural Solid Boulder Opal Polished Stone
Weight: 3.91 ct
Dimensions: 16.5×6.5×3.5 mm
Source: Winton,QLD, Australia
Size and weight are approximate
4.53ct Natural Crystal Boulder Opal
AU$426Natural Solid Untreated Australian Pipe Crystal Boulder Opal Polished Stone
Weight: 4.53 carats
Dimensions: 17×7.5×4 mm
Source: Winton, QLD, Australia
Size and weight are approximate
3.91ct Natural Crystal Boulder Opal
AU$426Natural Solid Untreated Australian Pipe Crystal Boulder Opal Polished Stone
Weight: 3.91 carats
Dimensions: 10.5x9x4 mm
Source: Winton, QLD, Australia
Size and weight are approximate
3.5ct Natural Crystal Boulder Opal
AU$426Natural Solid Untreated Australian Crystal Boulder Opal Polished Stone
Total Weight: 3.5 carats
Dimensions: 17.5x9x4mm
Source: Winton, QLD, Australia
Item code : PP300
Size and weight are approximate
Natural Australian Opal
Explore genuine natural Australian opals from the world’s premier opal fields including Lightning Ridge, Queensland, and South Australia. Our collection features stunning black opals with intense color displays, vibrant boulder opals with natural ironstone backing, luminous crystal opals showcasing transparency, and elegant white opals with soft pastel hues. Each opal is ethically sourced, 100 percent natural and untreated, displaying unique play of color with brilliant flashes of red, blue, green, and rainbow patterns that make every stone genuinely irreplaceable.
Shop loose opal gemstones perfect for custom jewelry creation, finished opal rings and pendants in silver, gold, and platinum settings. Whether you are a collector seeking investment quality specimens, a jeweler sourcing premium gemstones, or someone drawn to the mesmerizing beauty of Australian opals, our curated selection delivers exceptional quality, authenticity, and the timeless appeal of Australia’s national gemstone celebrated worldwide as the October birthstone.
Natural Australian Opal FAQs
What is Australian opal?
Australian opal is a precious gemstone formed from silica deposits that displays unique play of color with flashes of blue, green, red, orange, and rainbow hues. Australia produces over 95 percent of the world’s precious opals from mining fields including Lightning Ridge, Queensland, and South Australia, making it the global center for opal production.
What are the different types of Australian opals?
The main types of Australian opals include black opal from Lightning Ridge with dark backgrounds enhancing color displays, boulder opal from Queensland with natural ironstone backing, crystal opal featuring transparency and luminosity, and white opal from South Australia with lighter milky backgrounds and pastel colors.
How do I know if my Australian opal is real?
Real Australian opals display natural play of color that shifts with movement and viewing angle, have irregular patterns unique to each stone, and show depth when examined closely. Doublets and triplets have visible layers when viewed from the side, while solid opals are cut from single pieces. Professional gemological testing can confirm authenticity definitively.
How do I care for my Australian opal jewelry?
Remove opal jewelry before swimming, bathing, or using harsh chemicals. Clean gently with mild soap and lukewarm water using a soft cloth. Avoid extreme temperature changes and prolonged direct sunlight. Store opals separately in soft pouches to prevent scratching from harder gemstones. With proper care, Australian opals remain beautiful for generations.
What is the difference between black opal and white opal?
Black opal features a dark background that makes colors appear more vivid and dramatic, found primarily at Lightning Ridge. White opal has a lighter milky background displaying softer pastel colors, sourced mainly from South Australian fields like Coober Pedy. Both are genuine precious opals with play of color.
Can Australian opals be worn every day?
Yes, Australian opals can be worn daily with reasonable care. Boulder opals are particularly durable due to their natural ironstone backing. Remove opal jewelry during activities involving impacts, chemicals, or extreme temperatures. Rings may require more careful wear than pendants or earrings due to exposure.
Why is Lightning Ridge famous for opals?
Lightning Ridge is famous for producing the world’s finest black opals with exceptional color displays on dark backgrounds. The unique geological conditions in this New South Wales region created over millions of years result in opals found nowhere else on Earth, making Lightning Ridge material highly sought after by collectors worldwide.