24 Results: New & Used in opal polishing in Australia

Like an art painting from nature on this natural ancient rock. Swirling deposits of opal showing on front surface of the rock. Purple and blue precious opal with a distinctive white opal line. Traces of potential internal seams to chase and explore. Suits cutting to picture stones or keep as a desk-top talking-point. Ironstone host rock mined at famous Winton opal fields. Weight approximately 1842 grams Dimensions approximately 15 x 14 x 8cm Some photos in outdoor daylight, dry as-mined conditi

Sky blue deposits of precious opal across main rock front face. Purple opal and lilac crystal showing reverse face of main rock. Traces of additional potential opal seams to explore. Cut to finished stones or polish and keep as a specimen. Bonus mine-run rock included for cutting and grinding practice. Ironstone host rock from famous Winton opal fields. Mine Area: Central West Queensland, Australia Main Rock: weight approx. 280 grams Main Rock: dimensions approx. 8 x 6 x 4 cm Bonus Rock: weight

Slate blue formation of opal showing on main rock front face. Swirls of opal formations on adjacent face of main rock. Precious green opal seam running on reverse face of main rock. Visibility of additional potential opal seams to explore. Cut to finished stones or polish and keep as a specimen. Bonus mine-run rock included for cutting and grinding practice. Ironstone host rock from famous Winton opal fields. Mine Area: Central West Queensland, Australia Main Rock: weight approx. 102 grams Main

Purple deposit of opal showing on main face of rock. Lilac opal formations of reverse face of the rock. Clear visibility of purple opal seam to open and explore. Ideal starter rock for lapidary cutting and polishing practice. Cut to finished stones or polish and keep as a specimen. Ironstone host rock from famous Winton opal fields. Mine Area: Central West Queensland, Australia Weight approximately 281 grams Dimensions approximately 9 x 5 x 4 cm Some photos in outdoor daylight, as-mined dry con

Formation of slate green opal on main face of rock. Multiple matrix-like opal nuggets sparkling on reverse face. Clear visibility of numerous opal seams to chase and explore. Great starter rock for lapidary cutting and polishing practice. Cut to finished stones or polish and keep as a specimen. Ironstone host rock from famous Winton opal fields. Mine Area: Central West Queensland, Australia Weight approximately 227 grams Dimensions approximately 8 x 5 x 4 cm Some photos in outdoor daylight, as-

Formation of opal showing on main face of rock. Precious purple colour grading to lavender and lilac. Paint-like smears of opal of adjacent surface of rock. Traces of potential opal seam to chase and explore. Good starter rock for lapidary cutting and polishing practice. Cut to finished stones or polish and keep as a specimen. Ironstone host rock from famous Winton opal fields. Mine Area: Central West Queensland, Australia Weight approximately 106 grams Dimensions approximately 7 x 4 x 3 cm Som

Paint-like formation of opal showing on main rock face. Sparkling green precious opal display on one section. Distinctive white opal deposit lines add character. Traces of additional potential opal seams to explore. Cut to picture stones or polish and keep as a specimen. Bonus mine-run rock included for cutting and grinding practice. Ironstone host rock from famous Winton opal fields. Mine Area: Central West Queensland, Australia Main Rock: weight approx. 116 grams Main Rock: dimensions approx.

Incredible patterns of opal and rock formations like an oil painting. Rich deposits of purple, blue, caramel, and cream opal on multiple faces. Two tone wood-like rock patterns of ironstone and sandstone. Clear visibility of additional opal seams and nuggets to open and explore. Ideal for cutting to many artisan jewellery stones or keep as specimen. High density ironstone host rock mined at famous Winton opal fields. Weight approximately 452 grams Dimensions approximately 10 x 9 x 5 cm Some pho

Paint-like purple and green opal formations on main face of rock. A nugget of precious green opal showing on underside surface. Traces of potential additional opal seams to chase and explore. Perfect as a starter rock for lapidary work to cut finished stones. Size and shape suits well to keep as-is for a desk-top specimen. High density ironstone host rock mined at Winton opal fields. Weight approximately 409 grams Dimensions approximately 12 x 7 x 4 cm Some photos in outdoor daylight, dry as-mi

Brilliant green precious opal deposits shining on two faces of rock. Paint-like opal formations showing on adjacent two faces of rock. Traces of potential additional opal seams to chase and explore. Great for cutting to multiple picture stones or keep as specimen. High density ironstone host rock mined at famous Winton opal fields. Weight approximately 358 grams Dimensions approximately 7 x 6 x 5 cm Some photos in outdoor daylight, dry as-mined condition. Some photos wet to simulate polishing p

Formations of purple opal showing across main face of rock. Deposits of purple, blue and lilac opal on adjacent two faces. Large formation of lilac-hue jelly crystal opal on top surface. Traces of potential additional opal seams to chase and explore. Ideal for cutting to multiple jewellery finished stones. Ironstone host rock mined at Winton opal fields. Weight approximately 280 grams Dimensions approximately 7 x 6 x 4 cm Some photos in outdoor daylight, dry as-mined condition. Some photos wet

Wonderful colour palette of precious opal on main two faces. Lagoon greens and blues transition to purples and violets. Additional paint-like opal deposit on third face of rock. Traces of potential additional opal seams to explore. Ideal for cutting to multiple beautiful jewellery stones. High density ironstone host rock mined at famous Winton opal fields. Weight approximately 138 grams Dimensions approximately 6 x 4 x 4 cm Some photos in outdoor daylight, dry as-mined condition. Some photos we

Bright formation of violet coloured precious opal on main face of rock. Adjacent white opal formation line adds definition and character. A paint-like deposit of opal on side face of the rock. Traces of potential additional opal seams to explore. Ideal for cutting lapidary starter-level stones. High density ironstone host rock mined at Winton opal fields. Weight approximately 90 grams Dimensions approximately 7 x 4 x 2 cm Some photos in outdoor daylight, dry as-mined condition. Some photos wet

Band of purple opal grades to green blue on main rock face. Deposit of purple opal showing on reverse surface of rock. Visibility of potential additional opal seams to open and explore. Ideal for cutting to jewellery stones or keep as a whole specimen. High density ironstone host rock mined at famous Winton opal fields. Weight approximately 120 grams Dimensions approximately 6 x 5 x 3 cm Some photos in outdoor daylight, dry as-mined condition. Some photos wet to simulate polishing potential of

Solid chunk of precious opal formation on main face of rock. Pretty colour profile with a crystal lavender tone. Traces of potential additional opal seams to explore. Great for cutting to jewellery stones or to keep as a specimen. High density ironstone host rock mined at famous Winton opal fields. Weight approximately 110 grams Dimensions approximately 5 x 4 x 3 cm Some photos in outdoor daylight, dry as-mined condition. Some photos wet to simulate polishing potential of the opal.

A patch of vibrant purple precious opal on front face of rock. Fiery purple play of colour as the opal moves in hand. Colour patch blends through to caramel and cream. Paint-like caramel slate opal smear on reverse face. Visibility of additional potential seams to open explore. Suits for cutting and polishing to artisan picture stones. High density ironstone host rock from famous Winton opal fields. Mine Area: Central West Queensland, Australia Weight approximately 221 grams Dimensions approxim

Wrapped on all four sides in thick precious opal. Lilac crystal base tone with intense purple fire. Heavily weathered and waiting for grinding and polishing. Unleash the colour potential in this fabulous opal rock. Traces of additional potential seams to explore. Cut to many jewellery finished stones or polish as whole specimen. High density ironstone host rock from famous Winton opal fields. Mine Area: Central West Queensland, Australia Weight approximately 254 grams Dimensions approximately 8

Robed in rich purple opal on all four surfaces of the rock. Time-weathered surfaces are exposed and ready for polishing. Thick precious opal deposits are flat and easy for lapidary work. Clear visibility of additional potential seams to chase and explore. Cut to many jewellery finished stones or polish as whole specimen. High density ironstone host rock from famous Winton opal fields. Mine Area: Central West Queensland, Australia Weight approximately 234 grams Dimensions approximately 7 x 6 x 3

Shining green pinfire within blue crystalline opal eye deposit. Multiple seams and faces of clean caramel opal lines. Clear visibility of additional purple opal seams to explore. High density ironstone host rock from famous Winton opal fields. Mine Area: Central West Queensland, Australia Weight approximately 295 grams Dimensions approximately 10 x 6 x 4 cm Some photos in outdoor daylight, as-mined dry condition. Some photos wet to simulate polishing potential of the opal.

Suits slicing, grinding and polishing for lapidary practice. Can cut to artisan stones or polished to a whole specimen. Any potential opal seams showing could be opened to explore. Ideal as a beginner’s rock to get familiar with boulder opal. High density ironstone host rock mined at Winton opal fields. Weight approximately 57 grams Dimensions approximately 3 x 3 x 3 cm Some photos in outdoor daylight, dry as-mined condition. Some photos wet to simulate polishing potential of the opal.

A paint-like smear of coloured opal on main face of rock. Highly textured waves of rock formation layers. Visibility of potential internal opal seams to explore. Cut to characterful picture stone or keep as a specimen. Ironstone host rock mined at famous Winton opal fields. Weight approximately 354 grams Dimensions approximately 12 x 6 x 5 cm Some photos shot in outdoor daylight, dry condition. Some photos wet to simulate polishing potential of the opal.

Formation of purple-lilac precious opal on main face of rock. Numerous bright purple opal seams running through this rock. Ideal boulder opal rock to open and explore the opal seams. High-density ironstone host rock mined at Winton opal fields. Weight approximately 329 grams Dimensions approximately 5.5 * 5 *4.5 cm Some photos shot in outdoor daylight, dry condition. Some photos wet to simulate polishing potential of the opal.

Streaked with opal formations on all four faces of rock. Front and reverse faces display art-like formation patterns. Slate grey and ivory crystal opal colour palette. Traces of a potential additional internal seam to explore. Ideal to polish whole for a standing-stone display specimen. Can also slice and cut to multiple finished picture stones. Ironstone host rock mined at famous Winton opal fields. Weight approximately 412 grams Dimensions approximately 9 x 4 x 4 cm Some photos shot

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