Black Opal Rubs
What You See Is What You Get
When buying Black Opal Rubs a cutter has the option of cutting the stone to a calibrated piece of jewellery, or the opal can be cut to maximize weight. Opal cutters at Lightning Ridge tend to cut mostly calibrated stones because that is the market here. This does tend to waste a lot of usable opal but it makes them easier to sell. Some of these rubs will produce some very nice gemstones. Because the colour has been exposed and the risk factor has been eliminated. Opal rubs will usually achieve about 80% to 90% of the cut stone price. Depending on how well they are finished These rubs will suit a cutter for on selling, or lapidary cutterslooking for some safe material to cut some nice stones. There is some inlay material also.
click on photo to enlarge
5 Black Opal Rubs 26.48ctThis parcel has 5 pieces with a mixture of colours that are mostly green. One stone has green/orange with a small hint of red in it. $14.35/ct
Total Price $380 Parcel No: #RBB1
6 Black Opal Rubs10.38ctThis parcel of 6 contains a mixture of small to medium sized stones. The colours range from a deep blue through the greens to green/orange. $13.48/ct Total Price $140 Parcel No: #RBB 2
3 Black Opal Rubs 8.34ct
This parcel is a good example of how bright some grey opal can be. The oval will cut into a very high domed stone.
$$22/ct
total Price $180
Parcel No: #RBB3
3 Black Opal Rubs 14.90ct This is a parcel of 3, which will all produce three high dome stones. The pattern is large, blocky and shows bright flashes as these pieces are rotated. $22.14/ct Total Price $330 Parcel No: #RBB4
8 Black Opal Rubs28.32ctThis parcel of 8 will cut some very nice quality pieces. There is a lot red/orange in this parcel. $11.29/ct Total Price $320 Parcel No: #RBB5
10 Black Opal Rubs28.34ctMost of these 10 pieces are reasonably large. There are some free forms and some will cut calibrated stones. $13.05/ct Total Price $370 Parcel No: #RBB6
9 Black Opal Rubs10.78ctThese 9 small peices should average about one carat each. They are very bright as the photo shows and are small. sold Parcel No: #RBB7
3 Black Opal Rubs22.20ctAs the photo shows these 3 pieces will cut quite large stones. The large oval rub is multi coloured. $16.21/ct Total Price $360Parcel No: #RBB8
6 Black Opal Rubs47.19ct Most of these pieces are electric green/blue. If this parcel was cut for solid opal it will face blue.
sold
$2.79/ct Total Price $132 Parcel No: #RBB9
5 nice 15.7ct Black Opal Rubs
This parcel contains mostly multi coloured stones. The oval has some bright red/orange present.
Weight: 15.7ct
$13.37/ct
Total Price: $210
Parcel No. RBB10
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