Youtor
Gemological (updated 2024-10-02)
![Introduction to the World’s Foremost Authority on Diamond and Gemstone Knowledge by GIA [upl. by Assiram269]](img.php?img=imgidBybt5O3rNHo)
Duration: 5:08
13,3K weergaven | 16 sep. 2015
13,3K weergaven | 16 sep. 2015
![Silmenite Fibrolite Gems [upl. by Ahsirtak]](img.php?img=imgidbGyJEJMWd7U)
![Gems and Minerals at the Smithsonian [upl. by Rodney]](img.php?img=imgidCwJC_9L7vxo)
![BEWARE OF FAKE CERTIFICATES CERTIFIED GEMSTONE ARE FAKE TOO FAKE GEM TESTING LABORATORY SCAM [upl. by Joao416]](img.php?img=imgidL9Sa5TzRZwQ)
Duration: 6:40
22,6K weergaven | 11 maanden geleden
22,6K weergaven | 11 maanden geleden
![Unboxing Emeralds Gemologist vs Geologist [upl. by Fenelia]](img.php?img=imgidG4HGWycr3Ao)
![Pyrope Facts explained crystals minerology minerals fypシ geology rockhounding mining [upl. by Adoh]](img.php?img=imgidN2aEaxoaAEY)
Duration: 0:39
218 weergaven | 3 maanden geleden
218 weergaven | 3 maanden geleden
![Geology 101 Natural Processes that Form Colored Gemstones GIA Knowledge Sessions Webinar Series [upl. by Aninay192]](img.php?img=imgidmDIRqF_02DE)
Duration: 1:12:13
105,5K weergaven | 6 jul. 2020
105,5K weergaven | 6 jul. 2020
![Beware of this kind of Fake Gem Testing Reports DUGEMOLOGY [upl. by Tnarb]](img.php?img=imgidEbZ2DYM3xsE)
Duration: 6:23
193,2K weergaven | 23 apr. 2021
193,2K weergaven | 23 apr. 2021
![🔬 032 How good is the IMAGE QUALITY of cheap and expensive Microscopes [upl. by Hillman]](img.php?img=imgidrU25mfiXktA)
Duration: 16:50
56,1K weergaven | 23 apr. 2018
56,1K weergaven | 23 apr. 2018
![Manmade Opal or Real Gemstone How to test for Fake Opal Gemstone 2024 [upl. by Neros286]](img.php?img=imgidg5SQTjiNHhk)
Duration: 2:03
269 weergaven | 2 maanden geleden
269 weergaven | 2 maanden geleden
![L 78 තාප පිරියම් කරන ලද සෆායර් වල විදුරු දිස්කොයිඩ් ඇතුලත්කිරීම් Glassy Discoid in Heated Gems [upl. by Valentino668]](img.php?img=imgid044Q59_UWVo)
Duration: 20:41
798 weergaven | 7 maanden geleden
798 weergaven | 7 maanden geleden
![Todo sobre la GRA Global Gemological Research Academy o La GRA Gemological Research Association [upl. by Amada]](img.php?img=imgid2vrwrVdWHUw)
Duration: 11:12
1K weergaven | 14 jan. 2022
1K weergaven | 14 jan. 2022
![সাদা জারকন পাথরের উপকারিতাZircon Stone Benefitsশুক্র গ্রহের প্রতিকারWhite Zircon Stone Benefits [upl. by Sothena119]](img.php?img=imgidywfRsiTC0ik)
Duration: 10:59
354 weergaven | 1 maand geleden
354 weergaven | 1 maand geleden
![Peridot Formation by GIA [upl. by Malchus]](img.php?img=imgidVypY_4dJUoU)
![SCoral Carving Beads Carvingbeads Coral Coralbeads agrawalinternational [upl. by Auqinat77]](img.php?img=imgidG6-EWI5leQc)
Duration: 0:16
12 weergaven | 1 maand geleden
12 weergaven | 1 maand geleden
![Gemology 101 The Gemologists Handbook [upl. by Germaine]](img.php?img=imgidNf0InsNTmdI)
![Turmulian Beads Gemstonebeads semipreciousgemstone agrawalinternational jewellerymaking [upl. by Serena]](img.php?img=imgidbPd_pV4sNaM)
Duration: 0:26
33,2K weergaven | 12 aug. 2016
33,2K weergaven | 12 aug. 2016
![Royalty and Ceylon Gems I Gem mining process in Sri Lanka [upl. by Yramanna]](img.php?img=imgidWJmNVShj1t0)
Duration: 4:24
367,2K weergaven | 1 feb. 2016
367,2K weergaven | 1 feb. 2016
![Is the GIA program any good DIAMOND GRADUATE [upl. by Havener523]](img.php?img=imgidjqrxAKzV0Vo)
![DinoLite Applications Jewelry [upl. by Anelra]](img.php?img=imgid0TYj_pMMQ68)
![2024 Alumni Highlight ‘Pretty Little Gems’ by Muhammad Ayub JTC Bangkok AIGS [upl. by Attiuqaj]](img.php?img=imgidzZDw_tFq_DM)
Duration: 10:44
10,1K weergaven | 18 apr. 2014
10,1K weergaven | 18 apr. 2014
![Refractometer [upl. by Suoivatnod]](img.php?img=imgidtXEu16fH3Mw)
![GIA’s Distance Education by GIA [upl. by Harvison100]](img.php?img=imgid3_8p950XHaw)
![Gomed Benefits And Usesগোমেদ রত্নের উপকারিতা ও আসলনকল চেনার উপায়রাহুর রত্ন গোমেদ গুণাগুণGarnet [upl. by Akamaozu]](img.php?img=imgidegRffl4Qakk)
Duration: 12:55
21 weergaven | 3 weken geleden
21 weergaven | 3 weken geleden
![Gemstones ke certificate ko kaise check kare Reality of Fake Gem Testing Labs Certified Gem Scam [upl. by Curcio]](img.php?img=imgidJ0KztZ8VsCY)
Duration: 2:57
2,5K weergaven | 29 jun. 2013
2,5K weergaven | 29 jun. 2013
![Powerful Gemstone Among Gemstones Blue Sapphire For Original amp Quality Sapphires Call 8445795459 [upl. by Entwistle]](img.php?img=imgidyeYanvG5qfw)
Duration: 0:35
903 weergaven | 1 maand geleden
903 weergaven | 1 maand geleden
![speckFINDER HD Gemological Microscope Basic Functions [upl. by Henryk463]](img.php?img=imgid3ons4wKw2_k)
Duration: 27:05
423 weergaven | 1 week geleden
423 weergaven | 1 week geleden
![Beware of Gemstone Certification Scam Emerald Lab Test [upl. by Yenoh]](img.php?img=imgidYKcIpHGrdZg)
Duration: 1:00
191,4K weergaven | 30 mrt. 2021
191,4K weergaven | 30 mrt. 2021
![সবচেয়ে পাওয়ারফুল রত্ন কহিতুর এর উপকারিতাCan Wearing Gemstone Change Your Life Birthstone Gemstone [upl. by Ingeberg]](img.php?img=imgid3ap0by0CHOc)
![5 Simple Gem Tests Anyone Can Do Unboxing [upl. by Etnahsa]](img.php?img=imgidEnPgmxI-jZw)
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