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Solid Wood Fossil Boulder Opal Pendant – Blue Green Fire

AU$257

Opal Details:

Type: Natural, Solid, Untreated, Polished Boulder Opal

Origin: Koroit, Queensland, Australia

Dimensions: 38.5 × 17.5 × 7 mm (approx.)

Weight: 40.5ct (approx.)

Necklace Details:

Type: Adjustable Slide Knot Cord

Cord Color: Brown Waxed Cord

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Boulder Opal Pendant 32ct

AU$527

32ct Australian wood fossil boulder opal pendant featuring sparkling vivid green and blue fire within natural ironstone. Polished freeform cut with a brown adjustable necklace. Natural untreated opal, perfect for daily wear, gifting, and meaningful October birthstone jewelry.

Type: Natural solid boulder opal pendant
Origin: Queensland, Australia
Weight: 32 carat
Dimensions: 43 x 16 x 5 mm approx.
Color: Sparkling green and blue fire in wood fossil ironstone
Cut: Polished freeform
Necklace: Brown adjustable cord necklace included
Treatment: 100% natural and untreated opal

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Large Wood Fossil Boulder Opal Pendant 50.5ct

AU$499

50.5ct Australian Boulder Opal pendant featuring vivid blue and green fire within natural wood fossil ironstone. Polished hexagon shape with a brown adjustable necklace. Natural untreated solid opal ideal for daily wear, gifting, and meaningful October birthstone jewelry.

Type: Natural solid Boulder Opal pendant

Origin: Winton Queensland Australia

Dimensions: 45×33.5×4.5 mm approx

Weight: 50.5 ct approx

Color: Blue green fire with wood fossil pattern

Cut/Shape: Polished hexagon freeform

Necklace: Brown adjustable cord necklace

Treatment: 100 percent natural untreated opal not a doublet or triplet

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Wood Fossil Boulder Opal Pendant 64ct

AU$499

64ct Australian wood fossil boulder opal pendant from Winton reveals vibrant green and blue fire across its polished freeform shape. Natural untreated solid opal with a brown adjustable necklace, ideal for daily wear, gifting, and meaningful October birthstone jewelry.

Type: Natural Solid Boulder Opal Pendant

Origin: Winton, Queensland, Australia

Dimensions: 45 x 18 x 7.5 mm

Weight: 64 ct

Color: Green blue fire

Cut/Shape: Polished freeform wood fossil

Necklace: Brown adjustable cord

Treatment: 100% natural untreated opal (not a doublet or triplet)

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Wood Fossil Boulder Opal Pendant 30ct

AU$328

Dimensions: 31 × 19.5 × 6 mm approx.
Weight: 30ct approx.
Origin: Winton, QLD, Australia
Type: Natural, Solid, Untreated, Polished
Necklace: Adjustable Cream Color Rope 

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Wood Fossil Boulder Opal Pendant 52.5ct

AU$456

💎 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

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Boulder Opal Pendant 111.9ct

AU$520

111.9ct Australian Boulder Opal pendant featuring vibrant blue and purple fire layered through natural ironstone. Polished freeform pendant on a dark brown adjustable necklace. Natural untreated opal ideal for daily wear, gifting, and meaningful October birthstone jewelry.

Type: Natural Solid Boulder Opal Pendant
Origin: Winton, Queensland, Australia
Weight: 111.9 ct
Dimensions: 45×26.5×8 mm
Color: Blue and purple fire with dark brown ironstone
Necklace: Dark brown adjustable cord
Treatment: 100% natural, untreated (not a doublet or triplet)

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5.38ct Natural Crystal Boulder Opal

AU$456

Natural 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

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3.62ct Natural Crystal Boulder Opal

AU$463

Natural Solid Untreated Australian Pipe Crystal Boulder Opal Polished Stone
Weight: 3.62 carats
Dimensions: 15x9x3.5 mm
Source: Winton, QLD, Australia
Size and weight are approximate

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4.53ct Natural Crystal Boulder Opal

AU$428

Natural 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

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3.91ct Natural Crystal Boulder Opal

AU$428

Natural 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

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12.47ct Natural Australian Crystal Boulder Opal

AU$599

Natural Solid Untreated Australian Pipe Crystal Boulder Opal Polished Stone
Weight: 12.47 carats
Dimensions: 18x12x.6.5 mm
Source: Winton, QLD, Australia
Size and weight are approximate

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5.6ct Natural Crystal Boulder Opal

AU$264

Natural Solid Untreated Australian Crystal Boulder Opal Polished Stone
Weight: 5.6 ct
Dimensions:21.5x6x5.5mm
Source: Winton, QLD, Australia
Size and weight are approximate

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Crescent Moon Crystal Opal 1.52 ct

AU$392

Natural Solid Untreated Crystal Opal Polished Stone
Weight: 1.52 carats
Dimensions: 18x7x2 mm
Source: Lightning Ridge, NSW, Australia
Size and weight are approximate

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Reserved Collection Top Gem Lightning Ridge Black Opals

AU$142,501

We often have some reserved black opals that we withhold from promoting on our social media and website. Often buyers of top gem grade black opals do not want the opals they are buying distributed on the internet. We therefore accept applications to view these opals. Please fill in the application in order to view them. Thank you.

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Boulder Opal 12.18ct Blue Green Fire

AU$969

Natural Australian boulder opal displaying blue and green fire with a bright central color bar surrounded by softer light blue body tone. Polished freeform cabochon, ideal for pendant or statement jewelry use.

Opal Type: Natural boulder opal
Source: Winton, QLD, Australia
Weight: 12.18ct approx
Dimensions: 26.5x14x4 mm approx
Source: Winton, QLD, Australia

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7.37 ct Natural Boulder Opal

AU$926

Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 7.37 carats
Dimensions: 27×9.5×4 mm
Source: Winton, QLD, Australia
Size and weight are approximate

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Blue Green Boulder Opal 12.76 ct

AU$990

Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 12.76 carats
Dimensions: 36x8x4 mm
Source: Winton, QLD, Australia
Size and weight are approximate

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Blue Green Boulder Opal 24.87 ct

AU$855

Natural Solid Untreated Australian Boulder Opal Polished Stone
Weight: 24.87 carats
Dimensions: 31.5x19x5 mm
Source: Winton, QLD, Australia
Size and weight are approximate

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1.97ct Natural Dark Opal Rolling Rainbow Fire

AU$1,995

Natural Solid Untreated Australian Dark Opal / Semi Black Opal Polished Stone
Weight: 1.97 carat
Dimensions: 11x9x3 mm
Source: Lightning Ridge, NSW, Australia
Size and weight are approximate

This Opal is eligible to purchase on a Payment Plan

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.

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.

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.

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.

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.

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.

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.