Yowah Nut Opal Specimen with Crystal Centre and Matrix Outer Shell
Opal Specimens & Rough
Opal specimens from Australian Opal Fields including Yowah Nut Opal Specimens, Matrix Opal Specimens and Boulder Opal Specimens
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Matrix Boulder Opal Specimen 

Matrix Opal Specimen

K0031

Lovely flashes of bright green and purple in nicely patterned ironstone.  Good polish to front, one side smoothed to sit flat, the rest natural.  Much nicer than photos. Measures 34mm x 21mm x 15mm, Weighs 20 grams


Yowah Nut Matrix Opal Specimen

D0029

Looking at the back you can see this is a double nut (twins?) merged together with a sliver of opal down the centre. On the front it looks like one nut with sparkling green opal, with a few sparkles of blue and red.  Good polish.  Sparkles show indoors. There are a couple of small pits in the front of the specimen which can be seen in one of the photos.  Measures 48.5mm x 35mm x 13.5mm.  Weighs  approx 38 grams.


Opalised Wood Specimen 

Opalised Wood Specimen

A0075
Another nice specimen to add to your collection. The wood has been replaced with potch and purple opal and ironstone.  An interesting specimen with some nice wood patterns. Freeform shape with flat base. Good polish. It does have a few pits which blend in really well with the patterns.  Measures approx 41mm high  x 25mm x 26 and weighs 45 grams.

Faceted Matrix Opal Specimen

A0038
Freeform faceted Matrix opal specimen with lots of sparkling purple opal. Five facet sides polished, base is ground flat, and remaining side has been broken through and shows purple sparkling opal also.  A really interesting specimen for your collection.  Measures approximately 39mm x 36 mm at widest points x 23mm high. Weighs 52 grams

Yowah Nut Opal Specimen 

Large Yowah Nut Matrix Opal Specimen

N0107

A large Yowah Nut Opal specimen with multicoloured patterned ironstone and sparkling green blue opal. Top is polished, back is natural, broken end has been semi polished. A lovely addition to a collection, or nice table piece. It can be cut into smaller stones.  The opal does not go through the ironstone, but is a layer on the top surface. Weighs approx 267 grams and measures 108mm x 75mm x 33mm.


Koroit Nut Opal Specimen 

Koroit Nut Opal Specimen

T2029
Gorgeous Koroit Nut Opal specimen with sparkling blue green and purple opal in ironstone.  Front has slightly undulating surface with good polish. Back is natural.  Would make a lovely specimen for a collection. Measures approx 87mm x 55mm x 21mm  Weighs approx 168 grams.

Conglomerate Opal Specimen Slab sold

A0020
There are lots of little sparkling opal and potch Yowah nuts imbedded in this ironstone and silicated sandstone slab.  Polished both sides. Features green purple blue and orange sparkles. There are little holes where the opal did not infill, these can be seen in photo.  Not all the sparkling opal shows in photos. A nice specimen for a collection.  Measures 66mm x 46mm x 6.5mm and weighs 46 grams