Home
Lab-Grown Rubies and Sapphires: Flux Vs. Flame Fusion
Michelle Rahm
18 พ.ค. 2010
การดู 424,960 ครั้ง
How To Make Synthetic Ruby In The Workshop
From Rough to World Record - Estrela de Fura - 55.22 ct
How to Grow Your Own Crystals at Home
FACETING 101 - Lesson 151 Synthetic Sapphire
ตกปลาทะเลอันดามันEP2
มรกตเขียวส่องเนื้อเพชร Green sapphire on Diamond hardness/ الياقوت الاخضر بجمادة الماس
How Hydrothermal Emeralds are Created
Hunting Down A Royal Blue Sapphire: Inside The Gem Trade | In Search Of Precious Stones | Ep 3/4
Gem Cutting Tutorial: Lab Created Ruby
Gem-A Live: Flux-healed Ruby
GIA Video Training - How to Separate Natural from Synthetic Ruby by John Koivula (VHS) (1988)
How to Make precious Ruby at Home - 4K
Gem maker develops synthetic emeralds
Why Lab-Grown Gems Are Becoming The Real Thing
GRS Gemresearch Documentary: The Mozambique Ruby Collection - A Lifetime Experience
How to cut Gemstones: 6 Cutting & Polishing The Crown
How to tell the difference between Unheated Ruby & Lead Glass Filled Ruby?
MOST EXPENSIVE Gemstones Ever Discovered
How to cut gemstones - Ruby Flame Fusion
Tanzania Gems 2017, Africa