The Tunnel Rats Mine Rough Black Seam Opal Valued At $18,000 | Outback Opal Hunters

Subscribe to Aussie Gold & Opal Hunters for more great clips: The Tunnel Rats achieve a breakthrough by acquiring vibrant pieces of black seam opal worth nearly $20,000. From season 6 episode 9. Like Discovery Australia on Facebook: #aussiegoldandopalhunters #outbackopalhunters