Long egg shaped boulder opal from the Koroit opal fields in Queensland. Dark ironstone with red, orange, green, blue colour veins in an interesting pattern. The solid opal has a...
Glittering and sparkling! Red and green on a pink background. The solid opal is from the Queensland boulder fields.
Freeform shape 12 x 23.5mm, thickness 4.94mm. Weight 11.8carats.
Double sided Koroit boulder opal with a nice colour pattern of bright green, blue, gold and a little red, orange in the light and dark ironstone. The solid opal has...
Excellent shaped boulder opal for a ring or pendant design. The solid opal is from the Queensland boulder fields. Triangle freeform shape. Width 7.85mm, length 16.25mm, thickness 3.36mm. Beautiful soft...
Unusual boulder opal from the Koroit opal field. The ironstone didn't form in one corner and this has been used as a feature. Small colour lines with rich blue, green...
Glittering picture boulder opal from the Queensland opal fields. Amazing blue green sparkle with black ironstone. Freeform triangle width 26mm, length 30mm, thickness 4.84mm, weight 36carats
Gorgeous colours and interesting shape in this boulder opal from the Pinkilla field near Quilpie. Blue, turquoise, green with yellow, orange , red - moving and changing colours in different...
Beautiful size and variegated shapes bring out the reflected colours which enhance the blue tones.
Boulder opal size 13.26 x 38.5mm. Thickness 8.1mm. Weight 25.9 carats
Opalised wood from the Koroit Opal field. This boulder opal has a beautiful shape and richness of colour. Red, orange, green in a light a light blue, all surrounded by...
Interesting changing colours from green, gold to blue in large flashes. A solid boulder opal from the Queensland opal fields. Freeform shape 9.04 x 18.94mm, thickness 3.31mm. Weight 5.25carats
Fantastic boulder opal for ring or pendant. The solid opal is from the Queensland opal fields, sparkling green on light blue and pink with red orange lines. All in a...
Surprising Koroit nut with a beautiful centre of turquoise, green, pink and reds in the dark ironstone. The solid opal is from the Queensland opal fields. Width 28mm, length 46mm,...
These two opals were cut from the same piece - a boulder opal from the Yowah fields in Queensland. Separated for purchase but would make a nice large piece of...
B1867b is part of a pair (the other being B1867a). This opal is not as wide but has the same beautiful dark ironstone with light brown, and a red and...
Glowing under water - the blue water exposes the red green of the sparking colour underneath. A very interesting boulder opal from the Queensland boulder fields. The solid opal has...
Boulder opal from the Koroit opal field (Queensland). A light ironstone host rock with lots of flashes of red, orange and green. The centre shows a red and green flash...