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bulk rough milky white Opal gemstones plus rough boulder

bulk rough milky white Opal gemstones plus rough boulder

$20
Mount Nelson, TAS

2 hours ago

New Boulder Opal Bracelet

New never worn Boulder Opal bracelet which I received as a gift. Includes certificate of authenticity. Pick up Kallangur or will post at buyers expense.

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$60
Kallangur, QLD

10 hours ago

Opals assorted sizes

Rough Opal rubs some with colour .boulder and crystal .$10 and $5 each

$10
Tin Can Bay, QLD

23/06/2021

Qld boulder opal

14.30ct boulder opal

$50
Southport, QLD

21/06/2021

Boulder Opal ring

6.75 ct Boulder opal set in 18 ct gold Opal has a good spectrum of colours ,with strong red colour Five diamond G/H Included valuation of $10400

$3,500
Singleton, NSW

20/06/2021

Boulder opal pair.

Rubbed boulder opal pair with amazing red colour, perfect for lapidry or collectors.

$60
Southport, QLD

20/06/2021

Boulder opal pair yowah.

Yowah boulderopal pair in rubbedstate perfect for lapidry.

$100Negotiable
Southport, QLD

20/06/2021

Dragonfly Wing. Bright and Beautiful Markings. Boulder Opal. 17 Ct

Absolutely beautiful markings resemble a delicate dragonfly wing. Cut quite fine to accentuate the feeling of lightness and flight. Pretty purples and blues with eye like pattern along wing tip. Surface finish polished and ready for mounting to your jewellery design. High density ironstone host rock mined in the famous Winton opal fields. Natural, solid and untreated Queensland boulder opal. Approximate dimensions: To Be Confirmed. Approximate weight 17.00 Ct

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$333Negotiable
Adelaide CBD, SA

19/06/2021

A Pair of Feet !! Lilac, Pink and Caramel. Boulder Opal. 18 Ct

Cut to follow the natural opal formation contours... ended as a pair of feet :) Crystal lilac, sparkly pink and creamy caramels all feature on these opals. Surface finish polished and ready for mounting to a unique jewellery design. Ironstone host rock mined in the Queensland opal fields. Natural, solid and untreated Australian boulder opal. Approximate dimensions: To Be Confirmed. Approximate weight 18.05 Ct

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$280Negotiable
Adelaide CBD, SA

19/06/2021

Sparkling Green and Blue Plumes of Colour. Boulder Opal. 44.9 Ct

Large eye-catching stone featuring sparkling bright green and blues. Character opal showcasing plumes of opal amidst polished ironstone. Professionally hand cut to generous, noticable proportions. Ironstone host rock mined in the Queensland opal fields. Natural, solid and untreated Australian boulder opal. Approximate dimensions: To Be Confirmed. Approximate weight 44.9 Carats

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$250Negotiable
Adelaide CBD, SA

19/06/2021

Baroque Cross-Cut Matched Pair. Boulder Opal. 35.8 Ct

Matched pair of geometrically shaped boulder opals. Cut across the colour bar to showcase central deposits of opal. Attractive green opal colour amidst timber-like grained ironstone. Personally hand cut to chunky proportions with beveled edges. High-density ironstone host rock mined at famous Winton opal fields. Natural, solid and untreated Queensland boulder opal. Approximate dimensions: To Be Confirmed. Approximate weight 35.8 Carats

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$230Negotiable
Adelaide CBD, SA

19/06/2021

Square Block of Purple. Boulder Opal. 39.2 Ct

Deep moody purple tones radiate across the large opal face. Personally thick cut to resemble a purple and brown block of chocolate! Geometric beveling on reverse face. Natural precious opal formation with ironstone host rock. Surface finish polished and ready for mounting to your chosen design. Ironstone host rock mined in the famous Winton opal fields. Natural, solid and untreated Queensland boulder opal. Approximate dimensions - To Be Confirmed Approximate total weight 39.20 Carats

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$230Negotiable
Adelaide CBD, SA

18/06/2021

Avant Garde Picture Stones. Boulder Opal Set. 32.15 Ct

Set of two glistening green character stones. Natural precious opal formation with ironstone host rock. Professionally hand-cut to complementary free-form shapes. Surface finish polished and ready for mounting to your chosen design. Ironstone host rock mined in the Queensland opal fields. Natural, solid and untreated Australian boulder opal. Approximate dimensions - To Be Confirmed Approximate total weight 32.15 Carats

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$230Negotiable
Adelaide CBD, SA

18/06/2021

On-Trend Sea Green Colour Splash. Boulder Opal. 6.85 Ct

Currently trending... sea green sparkling colour. Natural opal formation with ironstone host rock forms a feeling of the sea. Personally hand-cut to a curvi-linear freeform shape. Surface finish polished and ready for mounting to your chosen design. Ironstone host rock mined in the famous Winton opal fields. Natural, solid and untreated Queensland boulder opal. Approximate dimensions - To Be Confirmed Approximate total weight 6.85 Carats

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$140Negotiable
Adelaide CBD, SA

18/06/2021

Artisan Sparkling Earring Pair. Boulder Opal. 2.2 Ct

Sparkling dominant green opal with blue highlight tones. Artisan style cutting retains the earthy feel of the host material. Professionally hand-cut to a matched pair of ovals. Surface finish polished and ready for mounting to your chosen design. Ironstone host rock mined in the opal fields of Queensland. Natural, solid and untreated Australian boulder opal. Approximate dimensions - To Be Confirmed Approximate total weight 2.20 Carats

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$88Negotiable
Adelaide CBD, SA

18/06/2021

Glistening Green Character Stone. Boulder Opal. 4.70 Ct

Dominant greens with blue and red highlights. Character stone, featuring and unique white and honey opal line. Personally hand-cut to a large symmetrical wide oval shape. Surface finish polished and ready for mounting to your chosen design. High-density ironstone host rock mined at famous Winton opal fields. Natural, solid and untreated Queensland boulder opal. Approximate dimensions - To Be Confirmed Approximate weight 4.70 Carats

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$55Negotiable
Adelaide CBD, SA

18/06/2021

Baroque Style Caramel and Cream Boulder Opal. 13.35 Ct

A baroque style character stone, featuring honey caramel and cream tones. Personally hand-cut to a large symmetrical wide oval shape. Surface finish polished and ready for mounting to your chosen jewellery design. High-density ironstone host rock mined at famous Winton opal fields. Natural, solid and untreated Queensland boulder opal. Approximate dimensions - To Be Confirmed Approximate weight 13.35 Carats

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$35Negotiable
Adelaide CBD, SA

18/06/2021

Brooch made by renowned Japanese Jewlller

Comprises of 4 Boulder Opals and 1 Black Opal set in silver. Price reflects wholesale value of the Opals only. As a whole the piece is worth considerably more. Never worn.

$980
Applethorpe, QLD

18/06/2021

Great Lapidary Starter Rock. Rough Boulder Opal. 224 Grams

Large surface deposit of blue opal on the main face of this rock. A bright green flash of precious opal shining out from opal surface. Additional econdary deposits of opal showing on adjacent surfaces. Traces of potential additional internal seams to open and explore. Perfect for lapidary practice to cut to finished stones or polish to specimen. High density ironstone host rock mined at famous Winton opal fields. Weight approximately 224 grams. Approximate dimensions 6 x 5 x 4 cm Some p

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$99Negotiable
Adelaide CBD, SA

17/06/2021

Smooth Shiny Opal Line. Rough Boulder Opal. 153 Grams

Nice smooth and flat formation of opal on main surface of this rock. Natural bright finih in the as-mined condition. Traces of potential additional internal seams to open and explore. Ideal to cut to finished jewellery stones or keep as a specimen. High density ironstone host rock mined at famous Winton opal fields. Weight approximately 153 grams. Approximate dimensions 9 x 4 x 3 cm Some photos in outdoor sunlight, dry condition. Some photos wet to simulate polishing potential.

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$90Negotiable
Adelaide CBD, SA

17/06/2021

Radiant Violet Crystal. Rough Boulder Opal. 270 Grams

Thick nugget of violet and lilac crystal radiates from the apex of the rock. Traces of potential additional internal opal seams to open and explore. Unusual patterns of ironstone and sandstone in the host rock body. Can be cut to finished jewellery stone or keep as a healing specimen. Mined at famous Winton opal fields of central Queensland. Weight approximately 270 grams. Approximate dimensions 8 x 7 x 4 cm Some photos in outdoor sunlight, dry condition. Some photos wet to simulate po

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$99Negotiable
Adelaide CBD, SA

17/06/2021

Deep Purple. Set of Two. Rough Boulder Opal. 58 Grams

Rich purple - black opal formation on main surfaces of both rocks. One rock showing opal deposits on two faces, one rock on single face. Clear visibility of additional internal seams to open and explore. Suits cuttting to finished stones or keep as specimens. Ironstone host rock mined at famous Winton opal fields. Total weight approximately 58 grams. Approximate dimensions (1) 4 x 2.5 x 2 cm (2) 3 x 3 x 2.5 cm Some photos in outdoor sunlight, dry condition. Some photos wet to simulate p

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$39Negotiable
Adelaide CBD, SA

17/06/2021

Excellent Lapidary Starter Rock. Rough Boulder Opal. 171 Grams

Plenty of surface opal formation on all three surfaces of rock. Colour spectrum moves from blue to black across the opal faces. Traces of postential additional internal seams to open and explore. Ideal to cut to finished starter stones or polish to a desktop specimen. High density ironstone host rock mined at famous Winton opal fields. Weight approximately 171 grams. Approximate dimensions 6 x 5 x 5 cm Some photos in outdoor sunlight, dry condition. Some photos wet to simulate polishing

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$69Negotiable
Adelaide CBD, SA

17/06/2021

Ring of Bright Opal. Rough Boulder Opal. 515 Grams

Line of opal running around the full circumferenacer of this rock. Two of the four faces showing bright green-blue precious opal. Traces of potential additional internal seams to open and explore. Some matrix colour glistening on surfaces of the rock. Suits cutting to finished stones or keep as a specimen. High density ironstone host rock mined at famous Winton opal fields. Weight approximately 515 grams. Approximate dimensions 9 x 7 x 5 cm Some photos in outdoor sunlight, dry condition

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$99Negotiable
Adelaide CBD, SA

17/06/2021