Natural Loose Black Opals

A bit of uneven face as the color bar is thin and a tiny chip.

A Free form Triangle shape black opal from Lightning ridge on a dark base with very bright Red Orange flashes with smaller very bright Green Blue Flashes, a ring or pendant stone with overall colour there are very small sand spots in the surface barely visible, small mark on the side with slight undulating surface of stone.

A Free form oval black opal from Lightning ridge on a dark base with a one way rolling flash of dark Blue/Purple some other small flashes in the stone on a clean black potch base. Black Opal refers to the underlying colour – the colour of the opal when you turn it over.

A free form Lightning Ridge Black Opal Stone on dark grey base with Red,Green, Blue, orange swirling flashes of colour has some potch in the undulating carved surface. Black Opal refers to the underlying colour – the colour of the opal when you turn it over.

49.25 ct (30 stones) natural solid mid-low grade semi black (dark) opal parcel from Lightning Ridge. STONE TYPE : MID-LOW GRADE SOLID, NATURAL SEMI BLACK (DARK) OPAL. SOLID, NATURAL, GENUINE SEMI BLACK OPALS FROM THE HOME OF THE BLACK OPAL .

What a stunning combination of red with a splash of green and orange coloured opal set amongst the black opal potch. An art stone is where the cutter leaves the potch which is opal with no colour (black, white or grey) and shapes the stone in this case an oval to create a unique pattern with the red, green and orange opal colours. The red opal colours are partially directional and they shade out to green from some angles as seen in the accompanying photographs. This opal will make an absolute stunning feature stone in a ring or pendant or can be left as is a unique specimen to be admired. This opal weighs just over 1ct or 0.21gms. It maximum overall dimensions are 9.7mm x 7.4mm x 2.4mm. For perspective the opal has also been photographed with a US one cent coin which is not included in the sale. New and unused.

I have 3 kilos of decent size Opals with impressive play of colours. They are mostly black to semi black Opal.

Beautiful 1.2 Carat Solid Black Opal from Lightning Ridge. Body Tone N4. Brightness 4.0/5.0. -Natural Solid Black Opal from Lightning Ridge. Colour: Green, Yellow, Orange, Purple, Blue and Green. -Natural, Solid Black Opal - NO Treatments.

The surface is carved and undulating throwing various flashes of multi colour. Black Opal refers to the underlying colour – the colour of the opal when you turn it over. The darker the body the more valuable to stone may be.

A free form Black opal from Lightning ridge on a grey to light base strong bright flashes of Green Gold Orange and Blue with other multi colour, marks and sand spots in the base and small potch lines in colour.

Lightning Ridge Solid Black Opal. From the Australian outback - Winton, Koroit, Yowah, Eromanga, Quilpie and Lightning Ridge. Boulder opal is found in an area that was the edge of a mighty inland sea and where once there was lush vegetation and dinosaurs roamed.

• Natural, Solid Crystal Black Opal - NO Treatments. • Multiple colours: Blue, Purple, Green, Yellow, Orange. • Body Tone N3 Translucent Crystal. • Weight: 1.0 Carats.

The Lightning Ridge area is a world-renowned centre of the mining of black opals and other opal gemstones. Lightning Ridge has the largest known deposits of black opals in the world. The name Lightning Ridge is said to have originated when in the 1870s some passers by found the bodies of a farmer, his dog and 200 sheep which had been struck by lightning.

A free form oval black opal from Lightning ridge on a dark grey base this stone is a seam opal with swirls for pinks and oranges that blend in colour with the dark grey potch and gives a constant colour.

Opal rough from Lightening Ridge, 200 ct parcel with minimal rock still attached 

A Free form shape black seam opal from Lightning ridge on a dark greybackground multi colour mixed flashes orange gold blue green with some potch through the surface. Black Opal refers to the underlying colour – the colour of the opal when you turn it over.

Beautiful Colour in this 1.45 Carat Solid Black Opal from Lightning Ridge; Body Tone N3; Brightness 4.0 / 5.0. Natural Solid Black Opal from Lightning Ridge. •Multiple colours: Orange, Yellow Green with some blue and purple.

A Free form shape black opal from Lightning ridge on a dark base with very bright Red Orange mixed flashes with smaller very bright Green Blue Flashes the stone is carved at one end and could be made a ring or pendant stone with overall colour there are small sand spots in the surface.

A Black Opal dark base blue green stone with small pinfire red in the centre of the stone sand spot in the side and small spot in the face of the stone some potch in the surface. Black Opal refers to the underlying colour – the colour of the opal when you turn it over.

• Natural, Solid Crystal Black Opal - NO Treatments. • Multiple colours: Green, Yellow, Orange, Blue. • Body Tone N4 Translucent Crystal. • Weight: 0.70 Carats.

A Free form oval black opal from Lightning ridge on a dark base with bright Blue Green Flashes the stone has a carved undulating surface with a number of very small sand spots a ring or pendant stone has some sand and unpolished potch in base.

Lightning Ridge Solid Black Opal. From the Australian outback - Winton, Koroit, Yowah, Eromanga, Quilpie and Lightning Ridge. Boulder opal is found in an area that was the edge of a mighty inland sea and where once there was lush vegetation and dinosaurs roamed.

A free form crystal opal from Lightning ridge on a partial cover medium grey base has green blue orange crystal colour with small potch spot in the face tapered to one side some sand in the base. Black Opal refers to the underlying colour – the colour of the opal when you turn it over.

Lightning Ridge Solid Black Opal. From the Australian outback - Winton, Koroit, Yowah, Eromanga, Quilpie and Lightning Ridge. Boulder opal is found in an area that was the edge of a mighty inland sea and where once there was lush vegetation and dinosaurs roamed.