Ep 140 How to find and identify rubies, sapphires and diamonds using a black light. Dirty Money metal detecting 3:52 2 years ago 10 538 Скачать Далее
How to Tell REAL OR FAKE Diamond (using BLACK LIGHT) #shorts Christine Jewellers 0:22 3 years ago 223 623 Скачать Далее
How to identify diamonds,rubys and opal with a black light Digging Wyoming 3:07 6 years ago 72 300 Скачать Далее
How to check Ruby Stone Real or Fake with Flashlight Balaji Gems Bhopal 0:36 5 years ago 717 349 Скачать Далее
How To Spot A Sapphire - Identify Gems Quick & Easily! Gemstones 6:56 1 year ago 178 708 Скачать Далее
How to identify Ruby | Ruby Glows under UV lamps/ Florescent Light | Natural ruby vs Fake ruby Labradorite King 0:10 1 year ago 284 202 Скачать Далее
Rough Ruby, sapphire and Corundum identification measuring hardness using HMKIS diamond tester🔥💎🔥💎 Happy Lost Souls 33:13 1 year ago 30 695 Скачать Далее
UV light passes through thick glass and causes fluorescence in diamonds indoors. Holloway Diamonds 1:07 3 years ago 47 440 Скачать Далее
Do You Have Sapphires? UV LongWave and Ruby Filter Quick GEM Segregation TBBW Don’tPlayNoReindeerGames 0:47 1 year ago 979 Скачать Далее
Pocket UV light for gem identification and diamond florescence 365nm Babs Bead Warehouse 1:22 2 years ago 3 667 Скачать Далее
Ruby under UV lamp Light | Natural Ruby Glows under Ultra violet Labradorite King 0:07 1 year ago 1 570 Скачать Далее
These Diamonds change Colour under UV Light! Real vs Fake Diamond. Asli Diamond ki pehchan. Identify INGEMCO Gems & Diamond Testing Laboratory 0:15 3 years ago 11 096 Скачать Далее