- Copyright © 2004 - 2008 Delarue opals
Rough opal specimens from $340.00 USD to $2025.00 USD
Those massive opal specimens are of the boulder opal variety found only in Outback Queensland.
They are natural, and are a good representation of what boulder opal looks like before processing.
They are rarely available on the open market.
These massive rough opal specimens will add the ultimate touch to an aquarium.
Click on the "Buy now" button, to buy securely online with your credit card, via the global online payment system of PayPal.
If you prefer to use a different method of payment, please let us know by submitting the order form.
Please note: > 24.4 millimetres (mm) equal 1 inch - 10 millimetres equal 0.39 inch.
> 1 ounce equals 28.34 grams - 100 grams equal 3.5 ounces.
Those massive opal specimens are of the boulder opal variety found only in Outback Queensland.
They are natural, and are a good representation of what boulder opal looks like before processing.
They are rarely available on the open market.
These massive rough opal specimens will add the ultimate touch to an aquarium.
Click on the "Buy now" button, to buy securely online with your credit card, via the global online payment system of PayPal.
If you prefer to use a different method of payment, please let us know by submitting the order form.
Please note: > 24.4 millimetres (mm) equal 1 inch - 10 millimetres equal 0.39 inch.
> 1 ounce equals 28.34 grams - 100 grams equal 3.5 ounces.
RB1345g - $340.00 USD
Rough boulder opal specimen
Dimensions: 125 mm x 110 mm x 90 mm maximum thickness
( 5 in x 4 ¼ in x 3 ½ in )
Weight : 1345 grams
The opal runs right around the boulder
Grey crystal opal with a mixture of pale and bright colours
Rough boulder opal specimen
Dimensions: 125 mm x 110 mm x 90 mm maximum thickness
( 5 in x 4 ¼ in x 3 ½ in )
Weight : 1345 grams
The opal runs right around the boulder
Grey crystal opal with a mixture of pale and bright colours
RB1040g - $450.00 USD
Rough boulder opal specimen ( Half a boulder split )
Dimensions: 145 mm x 115 mm x 65 mm maximum thickness
( 5 ¾in x 4 ½ in x 2 ½ in )
Weight : 1040 grams
Green and blue colours
Rough boulder opal specimen ( Half a boulder split )
Dimensions: 145 mm x 115 mm x 65 mm maximum thickness
( 5 ¾in x 4 ½ in x 2 ½ in )
Weight : 1040 grams
Green and blue colours
RB2190g - $525.00 USD SOLD
Rough boulder opal specimen ( Half a boulder split )
Dimensions: 155 mm x 125 mm x 90 mm maximum
thickness
( 6 in x 5 in x 3 ½ in )
Weight : 2190 grams - Green and blue colours
Rough boulder opal specimen ( Half a boulder split )
Dimensions: 155 mm x 125 mm x 90 mm maximum
thickness
( 6 in x 5 in x 3 ½ in )
Weight : 2190 grams - Green and blue colours
RB7250g - $900.00 USD
Rough boulder opal specimen
Dimensions: 335 mm x 165 mm x 140 mm maximum thickness
( 13 in x 6 ½ in x 5 ½ in )
Weight : 7250 grams
Green and golden green colours on the front; the back has a
long band of transparent light blue and traces of green colour.
Rough boulder opal specimen
Dimensions: 335 mm x 165 mm x 140 mm maximum thickness
( 13 in x 6 ½ in x 5 ½ in )
Weight : 7250 grams
Green and golden green colours on the front; the back has a
long band of transparent light blue and traces of green colour.
RB1177g - $1125.00 USD
Rough boulder opal specimen
Dimensions: 170 mm x 90 mm x 65 mm maximum thickness
( 6 ½ in x 3 ½ in x 2 ½ in )
Weight : 1177 grams
Good mixture of light colours showing on one side, and a band
of green and golden green colours on the other side.
Rough boulder opal specimen
Dimensions: 170 mm x 90 mm x 65 mm maximum thickness
( 6 ½ in x 3 ½ in x 2 ½ in )
Weight : 1177 grams
Good mixture of light colours showing on one side, and a band
of green and golden green colours on the other side.
RB4150g - $1875.00 USD
Rough boulder opal specimen
Dimensions: 150 mm x 180 mm x 100 mm maximum
thickness
( 6 in x 7 in x 4 in )
Weight : 4150 grams
Bright green, golden green and some red colours.
A few small gypsum crystals are also present.
Rough boulder opal specimen
Dimensions: 150 mm x 180 mm x 100 mm maximum
thickness
( 6 in x 7 in x 4 in )
Weight : 4150 grams
Bright green, golden green and some red colours.
A few small gypsum crystals are also present.
RB4445g - $2025.00 USD
Rough boulder opal specimen
Dimensions: 300 mm x 140 mm x 100 mm maximum thickness
( 12 in x 5 ½ in x 4 in )
Weight : 4445 grams
Bright green, golden green and some red colours. A few small
gypsum crystals are also present. The back has another seam
of opal still covered
Rough boulder opal specimen
Dimensions: 300 mm x 140 mm x 100 mm maximum thickness
( 12 in x 5 ½ in x 4 in )
Weight : 4445 grams
Bright green, golden green and some red colours. A few small
gypsum crystals are also present. The back has another seam
of opal still covered
Click on each picture to make it bigger, the opal colours will be more visible
RB44 - $400.00 USD
Rough boulder opal with some crystal opal and darker opal
Size: 126 x 125.60 mm and 48.28 mm high
Weight: 594 grams.
Very good colours; 1 opal seam going right around has not been opened.
Could be polished as a whole, or stones could be cut out of it.
Rough boulder opal with some crystal opal and darker opal
Size: 126 x 125.60 mm and 48.28 mm high
Weight: 594 grams.
Very good colours; 1 opal seam going right around has not been opened.
Could be polished as a whole, or stones could be cut out of it.
RB46 - $800.00 USD
Rough boulder opal with some crystal opal and darker opal
Size: 92 x 62 mm and 57.39 mm high
Weight: 482 grams.
These photos show the 3 partly opened sides, the top and bottom.
Very good colours with some red;1 opal seam has not been opened.
Could be polished as a whole, or stones could be cut out of it.
Rough boulder opal with some crystal opal and darker opal
Size: 92 x 62 mm and 57.39 mm high
Weight: 482 grams.
These photos show the 3 partly opened sides, the top and bottom.
Very good colours with some red;1 opal seam has not been opened.
Could be polished as a whole, or stones could be cut out of it.
RB42 - $1200.00 USD
Rough boulder opal ( has been preformed but not polished)
Size: 77.42 x 52.32 mm and 16.70 mm thick
Weight: 106 grams.
very large crystal opal with some sparkling colours
Rough boulder opal ( has been preformed but not polished)
Size: 77.42 x 52.32 mm and 16.70 mm thick
Weight: 106 grams.
very large crystal opal with some sparkling colours
RB43 - $1500.00 USD
Rough boulder opal with some crystal opal and darker opal
Size: 125.86 x 75 mm and 58 mm high
Weight: 634 grams.
These photos show the 3 partly opened sides and the bottom
Very good colours with some red; the patch of ironstone visible on photos
2 and 3, has the seam of opal running underneath and another opal seam
has not been opened.
Could be polished as a whole, or small stones could be cut out of it.
Rough boulder opal with some crystal opal and darker opal
Size: 125.86 x 75 mm and 58 mm high
Weight: 634 grams.
These photos show the 3 partly opened sides and the bottom
Very good colours with some red; the patch of ironstone visible on photos
2 and 3, has the seam of opal running underneath and another opal seam
has not been opened.
Could be polished as a whole, or small stones could be cut out of it.
RB2420g - $225.00 USD
Rough boulder opal specimen
Dimensions: 220 mm x 150 mm x 80 mm maximum
thickness
( 8 ½ in x 6 in x 3 in )
Weight : 2420 grams
Grey crystal opal with sparkles of pale mixed
colours ( the opal runs underneath the ironstone in
the center and could be removed.
The full face could be then be polished or stones
could be cut out and polished)
Rough boulder opal specimen
Dimensions: 220 mm x 150 mm x 80 mm maximum
thickness
( 8 ½ in x 6 in x 3 in )
Weight : 2420 grams
Grey crystal opal with sparkles of pale mixed
colours ( the opal runs underneath the ironstone in
the center and could be removed.
The full face could be then be polished or stones
could be cut out and polished)
RB2585g - $225.00 USD
Rough boulder opal specimen
Dimensions: 190 mm x 140 mm x 115 mm maximum
thickness
( 7 ½ in x 5 ½ in x 4 ½ in )
Weight : 2585 grams - Green electric colours
Rough boulder opal specimen
Dimensions: 190 mm x 140 mm x 115 mm maximum
thickness
( 7 ½ in x 5 ½ in x 4 ½ in )
Weight : 2585 grams - Green electric colours
Because of their weight, specimens over one kilogramme ( 1 Kg) in weight, have been left in our workshop, and will only be available
after we are back from mining, at the end of the year.
Please let us know if you want us to reserve any of them for you, in the mean time.
after we are back from mining, at the end of the year.
Please let us know if you want us to reserve any of them for you, in the mean time.
RBS1022g - $300.00 USD
Rough boulder opal specimen
Dimensions: 130 mm x 80 mm x 60 mm maximum thickness
Weight : 1022 grams
Many varied coloured veins all around and trough this specimen
Rough boulder opal specimen
Dimensions: 130 mm x 80 mm x 60 mm maximum thickness
Weight : 1022 grams
Many varied coloured veins all around and trough this specimen
 | |  | |  | |  | |  | |  | |  | |  | |  |