Yowah Nut Opal Specimen with Crystal Centre and Matrix Outer Shell
Yowah Nut Opal with Crystal Centre

Opal Specimens & Rough

Opal specimens from Australian Opal Fields including Yowah Nut Opal Specimens, Matrix Opal Specimens and Boulder Opal Specimens


Yowah Conglomerate Opal Specimen

Lots of odd shaped Yowah Nuts
A nice piece of nice patterned Conglomerate specimen with both faces polished and edges smoothed or polished. Weighs approx 25 grams and measures 77mm x 37.

Yowah Conglomerate Opal Specimen


Yowah Nuts imbedded in sandstone

Purple opal features in this conglomerate specimen. Front polished, sides and back left natural, or cracked through. Weighs approx 34 grams and measures approx 72mm x 43.5mm x 16mm

Yowah Conglomerate Opal Specimen

Lots of little Yowah Nuts impedded in sandstone
A great little specimen of opal conglomerate for a collection, or could be cut into stones. Face polished, back natural.  Measures approx 55mm x 64mm x 10mm at thickest , weighs approx 62 grams

Yowah Nut Conglomerate Opal Slab

A nice Conglomerate Opal Specimen
Lots of multishaped and coloured Yowah Nuts imbedded in sandstone. A great specimen as is with polished face and back natural, or it cut be cut up into stones, or dremelled. Measures approx 83mm x 64mm x 14mm

Yowah Boulder Opal Specimen

Great patterns in this Yowah boulder specimen

Multicoloured ironstone and potch with sparkling opal, polished on front, natural on the back. Measures approx 78mm x 51mm x 10mm, weighs approx 70 grams

Opalised Wood Twig Fossel SOLD

Purple opal in this piece of Yowah wood replacement.
This is a lovely piece of opalised wood with dremmel finish all round the piece. Could be used for making pendant/brooch or just kept as a beautiful specimen for your collection. Measures approx 35mm x 7mm x 5mm.

Opalised Wood Specimen

Purple opal wood specimen

Fossilised opalised wood with purple/blue opal.  Front has been dremelled with a good polish, back natural. A really nice specimen for a collection. 28mm x 19.5mm x 6mm.

Yowah Opal Specimen

Multicoloured ironstone potch and sparkling opal
A great specimen with sparkling blue/purple opal through the patterns in the ironstone. A lovely paperweight, or specimen for a collection. Measures approx 45mm x 35mm x 20mm

Yowah Fossilised Opalised Wood Specimen

Flashes of purple opal
This is a lovely specimen of opalised wood replacement with lots of purple/blue opal in the brown ironstone. The piece has been dremelled with good polish.  Weighs approx 11 grams. Measures approx 28.5mm x 21mm x 11.5mm

Yowah Opal Specimen

Lots of Picture Patterns in this Yowah Specimen
Multicoloured ironstone potch and green blue opal flashes.  Would make a lovely paper weight, or an interesting specimen for a collection. Measures approx 59mm x 31mm x 23mm

Yowah Conglomerate Opal Slab Specimen

Lots of little Yowah Nuts imbedded in sandstone
This is a lovely slab of Yowah Nut Conglomerate Opal, polished both sides, and left natural around the edges. . A realy interesting piece, would make a great specimen or unique paperweight for that special person. Weighs approx 209 grams and measures approx 129mm x 67mm x 11.5mm

Koroit Opal Specimen

Pretty potch patterns in ironstone

Very fine sparkles of opal scattered over the face along with crazy potch patterns. Concave shape (would make great spoon rest) with face polished and back natural. Measures approx 60mm x 39mm x 12mm

Opalised Wood

Lovely purple opalised wood.
A great specimen for a collection, or turn it into a special, unique piece of jewellery. Dremmel polished both sides. Measures approx 32mm x 20mm x 9mm. Weighs approx 6 grams.

Yowah Opalised Wood Specimen

Purple Opal Wood Replacement
Opalised wood with Purple Opal. Top dremelled to expose the opal, back natural. Measures approx 60mm x 25mm x 9mm.  A lovely specimen to add to your collection.

Yowah Conglomerate Opal Specimen Slab

Lots of little Yowah Nuts imbedded in sandstone.
Another lovely slab of Yowah Nut Conglomerate Opal, polished both sides, and left natural around the edges. . A realy interesting piece, would make a great specimen or unique paperweight for that special person. Weighs approx 229 grams and measures approx 135mm x 69mm x nearly 12mm

Conglomerate Opal Specimen Pair

A Yowah Conglomerate Opal Specimen
This specimen of Yowah conglomerate opal has been split open and polished on two sides.  The pieces fit perfectly back together, so much so that when put together properly you can actually lift it horizontally by the top piece (but be careful). A terrific specimen for a collection as it shows the cracked faces plus the polished faces. When held together it measures approx 82mm x 41mm x 22mm thick.

Koroit Opal Specimen

Stunning green blue opal patterns
Dark ironstone with blue green sparkling opal. Carved and polished front to follow the opal, the rest has been left as cracked open. Measures approx 50x51x46mm

Stunning Koroit Opal Specimen

Beautiful sparkling patterns
This piece is stunning with it's cascading intricate patterned potch and sparkling flashing blue green red opal in dark red ironstone. Softly undulating surface following the layer of opal with high polish of face, flat base and broken edges elsewhere.  Measures approx 38mm high x 65mm depth and 42mm wide

Stunning Koroit Specimens

Blue Green opal patterns in ironstone

Four pieces to this offering. One piece has a polished face, back is natural, it is the heaviest piece and weighs 472 grams, and measures 94mm x 99mm x 38mm at widest and thickest  . The other 3 pieces have been polished both sides. Total weight 1087 grams

Postage costs on this item include full insurance with signature.

Koroit Opal Specimen

A stunning opal specimen
Dark ironstone base with flashes of red purple and green through the clear to opaque opal.  Would make a great specimen, or a stunning pendant piece with the Wow factor.  Measures approx 56mm x 44mm x 12mm