Rough Australian opals, direct from the mines, in Australia:

2 rough  boulder opals
from 55 x 25 mm to 70 x 25 mm
Total weight: 75 grams
Sparkles of brigh red colours

4 Rough  boulder opals
from 25 x 22 mm to 40 x 32 mm
Total weight: 38 grams
Blue and green colours

6 preformed rough boulder opals
from 30 x 10 mm to 31 x 22 mm
Total weight: 38 grams
Blue and green colours

2 rough boulder opals
30 x 25 mm and 40 x 20 mm
Total weight: 26 grams
One stone with green colours, the other with bright mixed colours

5 Rough  boulder opals
from 25 x 18 mm to 30 x 25 mm
Total weight: 28 grams
Various colours with some red

5 preformed rough boulder opals
from 20 x 11 mm to 44 x 23 mm
Total weight: 23 grams
Various colours

Rough boulder opal
Dimensions: 62 x 52 mm

x 9 mm of maximum thickness
Weight: 56 grams
Blue and green opal

6 Rough  boulder opals
from 20 x 19 mm to 40 x 22 mm
Total weight: 32 grams
Blue and green colours

Rough pipe opal split
opal sizes: 8 x 4 mm and 9 x 4 mm
Total weight: 10.4 carats
Superbe bright colours

7 Rough boulder opals
from 15 x 14 mm to 29 x 18 mm
Total weight: 32 grams
Blue and green colours

7 rough boulder opals
from 20 x 15 mm to 38 x 25 mm
Total weight: 48 grams
Blue and green colours

4 rough boulder opals
from 28 x 16 mm to 39 x 25 mm
Total weight: 35 grams
Blue and green colours

with 2 stones with red

6 rough boulder opals
from 25 x 20 mm to 31 x 23 mm
Total weight: 46 grams
Various colours with red

8 rough boulder opals
from 20 x 15 mm to 36 x 27 mm
Total weight: 44 grams
Blue and green colours

Rough boulder opal sawn in 2 pieces
50 x 30 mm and 50 x 30 mm
Total weight: 55 grams
Blue green opal

10 rough boulder opals
from 22 x 13 mm to 33 x 14 mm
Total weight: 36 grams
Blue and green colours

6 rough boulder opals
from 18 x 14 mm to 31 x 23 mm
Total weight: 27 grams
Blue and green colours

7 rough boulder opals
from 19 x 15 mm to 23 x 20 mm
Total weight: 28 grams
Blue and green colours

12 rough boulder opals
from 20 x 13 mm to 44 x 17 mm
Total weight: 63 grams
Blue and green colours

Boulder opal split in 2 pieces
45 x 20 mm and 70 x 30 mm
Weight: 59 grams
Brigh varied colours

5 rough boulder opals
from 30 x 18 mm to 38 x 15 mm
Total weight: 44 grams
Mostly green colours

Rough  boulder opal
40 x 30 x 20 mm thick
Weight: 50 grams
Brigh blue and green colours

2 rough boulder opals (split)
39 x 33 mm and 42 x 35 mm
Total weight: 47 grams
Various deep bright colours

with red

4 rough boulder opals

(1 split and 2 veins not opened)
from 25 x 12 mm to 25 x 15 mm
Total weight: 60 grams
Blue and green opals

4 rough boulder opals
from 22 x 19 mm to 30 x 26 mm
Total weight: 46 grams
2 blue , 1 green and one red opal

4 rough boulder opals rubs
From 19 x 17 mm to 48 x 31 mm
Total weight: 53 grams
Blue and green opals

A Dremel type tool is needed to finish them

5 rough boulder opals
From 23 x 11 mm to 40 x 19 mm
Total weight: 31 grams
Blue and green opals

7 preformed opals
From 15 x 10 to 27 x 15 mm
Weight: 30 grams
Various colours with red

2 rough boulder opals (split)
34 x 28 mm and 42 x 40 mm
Total weight: 40 grams
Various deep bright colours

with red

1 big rough boulder opal

partly rubbed
104 x 38 mm

x 13 mm of maximum thickness
Total weight: 86 grams
Bright green colours

8 rough boulder opals
From 17 x 15 mm to 33 x 11 mm
Total weight: 35 grams
Various bright colours

Every stone has bright red colours

6 preformed boulder opals
From11 x 11 mm to 33 x 22 mm
Total weight: 21 grams
Various bright colours

Rough boulder opal
76 x 25 mm
Total weight: 35 grams
Blue and green opal

1 vein of bright green opal on one end not opened (15 x 16 mm)

5 preformed boulder opals
from 16 x 7 mm to 15 x 11 mm
Total weight: 30 carats
Various colours
Every piece will cut a stone.
A "Dremel"type of tool is needed
to finish some of these opals

5 rough boulder opals
from 61 x 44 mm

to 69 x 47 mm
Total weight: 517 grams
Mixed colours
Some opal veins
have not been opened

Rough boulder opal
94 x 80 x 33 mm max thickness
Weight: 311 grams.
Blue and green opal
2 faces partly opened

and at least 4 veins of opal not opened

2 faced rough boulder opals
Top: 35 x 13 x 11 mm thick
Bottom: 31 x 11 x 6 mm thick
Top stone on picture: 12 grams
Bottom stone: 6 grams
Various good colours with red orange

2 Rough boulder opals
62 x 37 x 10 mm thick

and 55 x 40 x 7 mm thick
Weight: 47 grams and 31 grams
2 big faces of  blue opal with some green
(1st stone is rubbed and the 2nd stone is natural)

A Dremel type tool is needed to finish them

Rough boulder opal
53 x 41 x 24 mm thick
Weight: 81 grams
2 faces of  blue and green opal

1 Faced rough boulder opal (sanded)
62 x 12 x 10 mm thick
Weight: 21 grams.
Bright light green, pink and golden yellow colours

Rough boulder opal
63 x 53 x 35 mm thick
Weight: 140 grams.
Bright dark blue and bright green colours on the face;
appears to carry another bright green seam of opal

and other small red seams inside to cut out

Very large preformed and partly opened crystal boulder opal (sanded )
77 x 52 x 17 mm thick
Weight: 106 grams
Scintillating green sparkles of colour and some blue/purple ones

3 Faced rough boulder opals (sanded )
From top :1/ 35 x 13 x 5 mm thick
2/ 43  x 13 x 5 mm thick
3/ 32 x 14 x 7 mm thick
Weights: From top to bottom:
7 grams - 12 grams - 8 grams
Brilliant various colours with green and mostly red/orange

1 Faced rough boulder opal

(sanded )
77 x 15 mm x 10 mm thick
Weight: 31 grams.
Brilliant colours with a lot of red orange
and light green colours

1 Faced rough boulder opal (sanded)
85 x 16 x 10 mm thick
Weight: 35 grams.
Brilliant colours
with a lot of red orange

Rough boulder opal
55 x 41 x 30 mm thick
Weight: 107 grams
Mostly blue with some green colours
There is another
partially uncovered face
in the back,
showing mostly green opal
Might yield a third stone inside