Gem-A Live: Understanding Gemstone Species and Varieties Gem-A 1:11:32 4 years ago 255 576 Скачать Далее
PRECIOUS Gemstones vs. SEMI-PRECIOUS Gemstones: What do they mean? How do we use them? 2022 Your Average Jeweler 13:17 2 years ago 56 515 Скачать Далее
Precious stones, gemstones, jewels in English vocabulary with pictures - Learn English Elanguages 3:08 1 year ago 135 097 Скачать Далее
Learn Gemmology from Mr. Pankaj Khanna | Lesson 1: Introduction to Gemstones KhannaGems. com 12:01 3 years ago 7 718 Скачать Далее
What Do You Need to Get Started with Gemstone Faceting (Gear, Books, and More) Justin K Prim 13:07 3 years ago 84 848 Скачать Далее
Gems, Minerals, Crystals & Rocks–What's the Difference? American Museum of Natural History 3:32 2 years ago 109 972 Скачать Далее
Gemstone Value Explained Part 1-Physical characteristics: What makes gems valuable (how to tell)2019 Your Average Jeweler 10:38 4 years ago 101 843 Скачать Далее
Watch Now Live Tourmaline Gemstone Video, The Mesmerizing Tourmaline Mineral Gem Videos 1:16:55 Streamed 17 hours ago 9 Скачать Далее
How To Become A Gemologist? | How To Start Your Career In Gemology Gemstones 7:34 2 years ago 105 647 Скачать Далее
"Don't Stop Digging!" 💎⛏️ Gemstone Mine Adventure | Danny Go! Dance Songs for Kids Danny Go! 4:05 1 hour ago 11 180 Скачать Далее
Explore Amazing Rocks and Minerals! | Caitie's Classroom Field Trip | Science & Colors For Kids Super Simple Play with Caitie! 5:59 5 years ago 802 276 Скачать Далее
ROCKS and MINERALS for Kids - What are their differences? - Science for Kids Smile and Learn - English 4:10 3 years ago 463 015 Скачать Далее
KIDS FIND GEMS ON FAMILY VACATION | YOUTUBE FOR KIDS The River and Wilder Show 8:10 6 years ago 6 708 333 Скачать Далее
World's greatest treasure: crystals and gemstones | FULL DOCUMENTARY SLICE Full Doc 52:52 1 year ago 809 584 Скачать Далее
How to Cut & Polish Gemstones: Introductory Lesson MoreGems.com 9:11 8 years ago 403 361 Скачать Далее