CATALOG 4
#765
17,49*12,98*3,59mm 4,22ct
1000USD
Gem crystal opal.
Coober Pedy Australia.
Brightness B5. American scale.
Full spectrum.
Strongly saturatedcolors.
#778
# 19.97*13.16*2.99mm 3.44 carat
410USD
Cuber Pedy Australia crystal opal of excellent quality.
Full color. Not a bad shape. Very interesting transition from blue to green almost the entire surface on one side.
Brightness B5.
#928
11,88*10,95*3,55mm 2,21ct
220USD
Coober Pedy gem opal.
Brightness B5-4. American scale.
Full spectrum.
In hands
#830
15,38*9,79*5,48mm 4,12ct
650USD
Coober Pedy crystal opal.
Very bright. Full spectrum.
Layered bars. Free form.
3D play of color.
#912
11,86*9,28*2,37mm 1,39ct
170USD
Lightning Ridge opal.
One side is black. Other one is grey. Different brightness 
#846
13.07*11.86*3.48mm 3.05 carat
120USD
Dark opal crystal from Lightning Ridge Australia.
Brightness B4. Base N6.
High dome!