20:59
Unboxing Natural Color Gems – Where Do They Come From?
18:09
Easy Gem Tests Gemologists Actually Use
26:53
In Search of a Gemstone - Gem Quality Garnets!
9:18
PEDRA PRECIOSA OPALA DE LIGHTNING RIDGE AUSTRÁLIA blackopaldirect.com
16:36
INACREDITÁVEL PEDRA QUE TIREI DO BARRANCO PARA LAPIDAR
21:06
Unboxing America's Classic Gemstones - Anthill Garnet, Bixbite, & More!
28:57
MOST EXPENSIVE Gemstones Ever Discovered
14:04