Rub polished chunks from the Japanese colony's heritage cave
16:11
Smaller gem rough opal with bright colours - Packs a punch - I'm going in!
11:17
Large slab uncut gem rough - Cut and polished it for a top black opal
46:04
How Science Harnesses The Incredible Power Of Diamonds | Naked Science | Spark
9:18
Australian opal gemstone - Cost me $5000 - Do I make a profit?
32:39
1000 Year Old Tree
56:54
Büyük Define Kasasından Çıkanlar Muhteşem...!!!
18:18
Forbidden Japanese Tri-Dagger | Fantasy Challenge
1:46:50