https://www.abc.net.au/radio/programs/n ... r/13040786
While opals can be found in many countries, did you know that Australia produces about 95 per cent of them, including the incredibly famous and incredibly valuable black opal? So where do you find opals these days, what are they worth and just how do they get those amazing colours? Take a journey through the world of opals with Nick Trioisi, general manager of the Umoona Opal Mine & Museum at Coober Pedy and Tony Smallwood, a scientist, gemmologist and founder of the Opal Academy.
Nightlife with Philip Clark, Indira Naidoo on AUSTRALIAN OPAL
Moderators: PinkDiamond, John
- SwordfishMining
- Posts: 4215
- Joined: Fri Jun 05, 2015 3:06 pm
- Location: Denio, NV USA
- Contact:
Nightlife with Philip Clark, Indira Naidoo on AUSTRALIAN OPAL
I'll jump over my shadow. https://www.virginvalleyopal.com"
Opals & more at my ESTY store https://swordfishmining.etsy.com"
Opals & more at my ESTY store https://swordfishmining.etsy.com"