A slice of Yowah Nut matrix opal that has been part of a slab of conglomerate opal (you can see smaller Yowah nuts in the back of the stone. A lighter brown outer and the centre is a darker ironstone with the sparkles of green opal. Hold drilled through stone and comes with a sterling silver bail. Opal measures approx 39mm x 29mm x 6mm

A pretty slice of Yowah Nut with sparkling opal both sides. Hole drilled through stone and comes with Sterling Silver bail.  Opal measures approx 24.5mm x 23mm x 7mm

Sparkling green blue opal and potch patterns in red ironstone. Hole drilled through stone and comes with sterling silver bail. Measures approx 29mm x 22mm x 6mm

Nice patterns in this large slice of Yowah Nut with flashes of purple opal. Measures approx 55mm x 31mm x 5mm.  Hole drilled through stone and comes with sterling silver bail.

A slice of Yowah Nut opal with multicoloured bands of ironstone and potch with sparkles of red green and blue opal. Hole drilled through stone and comes with sterling silver pinch bail. Opal measures approx 23mm x 18mm x 8mm

Multicoloured patterned ironstone with flashes of green and blue opal, hole drilled through the stone with Sterling Silver pinch bail. Opal measures approx 40.5mm x 21mm

Sparkling green opal in ironstone. Hole drilled through stone and comes with sterling silver bail. Opal measures approx 32mm x 15mm x 6m

An almost luminous purple opal in the nicely patterned multicoloured ironstone. Hole drilled and comes with Sterling Silver Bail.  Opal measures approx 35mm x 35mm x 4.5mm. Freeform shape.

Sparkling green and blue/purple opal sparkles in this nicely patterned Yowah bead. Hole drilled through stone and comes with a sterling silver bail as shown.  Opal measures approx 37mm x 24mm x 6mm

Softly dremelled to follow the opal. Measures approx 18mm x 11mm x 2mm

Strong patterns of potch and dard ironstone with sparkling green opal. Measures approx 26.5mm x 20mm x 5mm

Double Sided. Lots of different size Yowah Nuts with sparkling opal embedded in silicated sandstone. Very pretty and unusual. Measures approx 38mm x 22mm x 6.5mm

Lots of different size and shape Yowah Nuts with sparkling opal embedded in silicated sandstone. Very pretty and unusual. Measures approx 44.5mm x 30mm x 5.5mm

Double sided, both sides have interesting nut shapes with sparkling opal. Measures 27mm x 23mmx 5.5mm

Clear mauve/blue tinted opal with a bit of blue green shimmer.  6.84ct  Measures approx 36mm x 10mm x 2.5mm

Dremelled and curved to follow the 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

A really nice specimen of a Yowah Matrix Nut opal wedge.  Most of the colour is towards one end, but has the intricate patterns all over. Dremelled to follow the opal, will stand on the straight edge, or on it's back. Would make a lovely paperweight, or specimen for a collection.  Measures approx 77mm x 40mm x 19mm at longes widest and thickest

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

Lots of odd shaped and sized Yowah Nuts imbedded in silicated sandstone bezel set in Sterling Silver. A really interesting piece.  Total measurement of pendant including setting and bail is approx 41.5mm x 30mm x 7mm. (measured as it hangs).  Opal measures approx 27mm x 27mm (corner to corner as it hangs) or approx 20mm x 21mm side to side.