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Welcome to

Outback Opal Hunters™

The Official Home of Australia's Fiery National Gem

Step into the heart of the opal fields — where ancient earth, bold explorers, and rare rainbow fire collide. Outback Opal Hunters™ is more than a brand — it’s a legacy forged in red dust, black potch, and brilliant colour. From Lightning Ridge to Coober Pedy and beyond, we celebrate the real people, real stones, and real stories that define Australia’s opal frontier.

Whether you’re a gemmologist, miner, jeweller, or just mad about fire, you’ve just struck the motherlode.

Gem of Australia

Opals of Australia

Large Stocks of opal rough from the Mining Fields of

  • Lightning Ridge & Grawin
    Wee Warra Plains, Coocoran, Allawah, Jag Hill & more
  • Queensland
    Koroit, Yowah, and Winton
  • South Australia
    Andamooka, Coober Pedy, & Mintabie

Rock Licker® UK Licence

Rock Licker® Secures Exclusive UK Licence for OUTBACK OPAL HUNTERS™ Apparel. We’re proud to announce that Rock Licker® Clothing & Apparel has secured the exclusive UK license to produce and distribute official OUTBACK OPAL HUNTERS™–branded clothing and merchandise. This marks a major milestone in UK opal culture, blending the spirit of the outback with bold, original designs that honour the world’s most legendary opal brand. From rugged field wear to limited-edition fashion drops, the new range will showcase iconic opal imagery, miner heritage, and the unmistakable fire of the hunt.
💥 Launching 2025–2026 – expect unique collaborations, premium pieces, and collector-quality gear designed by opal lovers, for opal lovers. Stay tuned – big things are coming. Rock Licker® – Unearth the legend. Official Brand Partner of OUTBACK OPAL HUNTERS™

Illusive Red on Blacks

What the miners are chasing is the rarest and most valuable of all: blazing red fire on jet-black opal bases, with body tones ranging from N1 to N4.

Massive Stock of premium grades Red on Black rough / rubbed / Polish opals

Opal Capital of the World

Coober Pedy The Desert of Dreams.

Beneath the scorched red sands of South Australia lies Coober Pedy, the legendary "Desert of Dreams," where fortunes are carved from the earth in flashes of fire and colour. This remote opal mining town is world-famous for its underground homes, moon-like landscape, and the lure of striking it rich with a single pick. Here, the heat drives life below ground, but the opal fields above have fueled a century of hope, grit, and glory. It's a place where dreamers dig deep — and sometimes, the desert answers.

The Art of Lapidary

💎 The Art of Lapidary – From Rough to Radiance

Every gemstone begins its life in the raw — a chunk of nature, unshaped and full of hidden fire. Lapidary is the ancient craft of revealing that fire. It’s where vision meets precision. A dance between eyes, hands, and wheels.

From a rough opal riddled with potch, sand, or fracture lines, the lapidarist must read the stone’s story:

Through careful cutting, dopping, and polishing — layer by layer — the stone is transformed. Pits become domes. Cloud becomes clarity. Mute turns to fire. Each finished gem is a one-of-a-kind expression of nature’s brilliance, refined by the human hand.

In lapidary, we don’t just polish stones.

We reveal the soul of the Earth.

🦺 SAFETY FIRST

🦺 OUTBACK OPAL HUNTERS™ –SAFETY FIRST GUIDE

WARNING:

Never dry grind opal.

Opal contains fine silica that becomes airborne during dry cutting, posing a serious health risk. Inhaling this dust can lead to silicosis, lung disease, and long-term respiratory damage.

Always use water when cutting or grinding opal to suppress dust, wear proper PPE including a certified respirator, and clean up with wet methods only. Silica dust is invisible, permanent, and deadly — safety first, always.

🪨 How Knobby & Seam Opals Are Mined

Knobby and seam opals are mined using different techniques depending on the geology of the opal field.
Knobby opals are typically found in nodule-like formations, often deep within ironstone or sandstone layers, while seam opals form in thin horizontal layers or “seams” along bedding planes in sedimentary rock. Miners use a combination of hand tools, jackhammers, tunnelling machines, or bulldozers depending on field conditions. In places like Lightning Ridge, miners often work underground through shafts and drives, carefully extracting material with minimal damage to preserve the opal. Once brought to the surface, the rough is carefully broken or sliced to reveal colour bars and determine its cutting value.

💎 The History of Australian Opal

Australia is the undisputed opal capital of the world, producing over 90% of the planet’s precious opal supply. The story of Australian opal dates back millions of years, formed from silica-rich water trickling through ancient sedimentary rock. As the water evaporated, it left behind silica spheres that slowly stacked in perfect grids — creating the brilliant fire and colour play we now know as opal. The first major opal discoveries in Australia were recorded in the late 1800s, but it wasn’t until the early 20th century that fields like White Cliffs, Lightning Ridge, Coober Pedy, and Andamooka began booming. By the 1960s, Australia had overtaken all other countries to become the world’s largest producer and exporter of opal gemstones.Today, Australian opal is internationally recognised not just for its beauty, but for its rarity, quality, and diversity — from fiery black opals to crystal-clear white and boulder varieties. In 1993, opal was officially declared the national gemstone of Australia.

How Opal Is Formed – The Sedimentary Process

Australian opals are formed through a sedimentary process over millions of years. Unlike volcanic opals found in other countries, Australia's precious opals originate from ancient inland seas and weathered sandstone basins.

After the great Eromanga Sea receded around 100 million years ago, it left behind a vast landscape rich in silica-bearing rock. Rainwater, slightly acidic and rich in dissolved silica (SiO₂·nH₂O), percolated down through the sandstone layers, filling cracks, voids, and faults created by ancient geological movements.

Over time, this silica-rich solution accumulated in underground cavities, often between 20–30 metres deep, forming within sedimentary layers, in collapsed sandstone, including wood, shells, and bones and following ancient vegetation. As the water slowly evaporated, it left behind microscopic silica spheres. In rare and perfect conditions, these spheres stacked into a three-dimensional lattice, diffracting light to create opal’s brilliant play of colour. When spheres are irregular or disordered, they form common opal or potch.

Types of Opal

Opal comes in many natural forms, each with its own character. Black Opal is the most valuable, with bright fire on a dark base. Dark Opal shows similar contrast but with a slightly lighter tone. Light Opal has a pale or white body and soft pastel fire. Crystal Opal is translucent, with colour that seems to glow from within. Boulder Opal forms in ironstone and shows dramatic natural patterns. Matrix Opal is speckled with fire throughout the host rock. Treated opals like carbonised Andamooka and composite doublets/triplets are man-enhanced and must always be declared.

Understanding Doublets & Triplets – Epoxy Layering and Pigment Use

Opal doublets and triplets are composite stones made by layering thin slices of precious opal onto a black backing, often using epoxy resin. To enhance contrast and simulate a natural dark base, black oxide pigment powder is commonly mixed into the epoxy. This darkened adhesive not only strengthens the bond but also deepens the visual impact of the opal’s colour play. In triplets, a third layer — a clear quartz or glass cap — is added on top to protect the delicate slice and magnify its fire.

🇦🇺 Aussie Opal vs 🇪🇹 Welo (Ethiopian) Opal

Not all opals are created equal.

Hydrophane opals from Ethiopia can absorb water like a sponge, turning milky, cracking, or even going clear when wet. They’re volcanic in origin, unstable when exposed to moisture, and can be risky in jewellery — especially rings.

By contrast, Australian opal is sedimentary, formed in stable sandstone over millions of years. It doesn't absorb water, doesn’t fog up, and holds its fire for life. That’s why Aussie opal is the gold standard — cut once, worn forever.

💎 Choose sedimentary. Choose Aussie. Choose forever.

Contact Outback Opal Hunters™

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