How to identify 9 minerals in ONE MINUTE using sandpaper, nail, and magnet Soil Mechanics and Engineering Geology 2:01 3 years ago 36 438 Скачать Далее
Testing Gemstone Physical Properties | Gem Destruction! Gemstones 18:33 1 year ago 28 002 Скачать Далее
Identifying rocks & minerals using the Mohs hardness test Rock Identifier App 2:24 2 years ago 72 796 Скачать Далее
I will appear there tonight #crystal #gemstone #shorts Crystaluc2 0:25 1 year ago 11 053 919 Скачать Далее
‼️This was Found in a 500,000,000 year old Dolostone ROCK?!‼️ More Rocks.. 😭 #shorts Discovering Minerals 0:46 1 year ago 3 733 379 Скачать Далее
How to Identify Gemstones & Minerals: Specific Gravity MoreGems.com 16:53 7 years ago 69 666 Скачать Далее
How to check Ruby Stone Real or Fake with Flashlight Balaji Gems Bhopal 0:36 5 years ago 720 300 Скачать Далее
Real gem, !fake Fan! @crystaluc33 #crystals #gemstone Crystaluc2 0:20 10 months ago 22 315 395 Скачать Далее