18.24*14.29*2.99mm 5.08ct
550USD
Mintabie Black back opal
#594 28.39*5.73*5.24mm 5.27ct
450USD
Belemnite from Coober Pedy Australia. Al sides are polished. Multicolor. White base. Brightness B4.
#780 22.29*19.98*5.08mm 12.60 carats
630USD
Black opal from Lightning Ridge Australia. Base N3-4. Brightness B4-5. There are areas with higher brightness and they overexpose the matrix in Canon EOS 60D and it produces a crimson overexposure. This color does not exist in reality!!!
12.38*10.39*4.47mm 3.54 carats
250USD
Black opal from Lightning Ridge Australia. Base N2-3. Brightness B4-5. Why B4-5? Because 4 is much more than 5!
Reminder that the burgundy flashes in the video are due to overexposure from brightness B1!!!
11.97*8.78*2.96mm 1.97ct
140USD
100% black opal from Lightning Ridge Australia.
Base N2. Brightness B5.
4.28*8.96*1.85mm 1.30 carat
250USD
Black opal from Lightning Ridge Australia. Multicolor. Brightness B4-5. Base N4.
The shape is for an amateur.
14.95*12.18*4.54mm 5.40ct
240USD
Dark crystal opal from Lightning Ridge Australia. Brightness B5.
17.78*9.29*1.88 1.70 carat
60USD
Dark opal from Lightning Ridge Australia. Base N5. Brightness B4. High blue, light blue, green colors.