Blue Sapphires: What Makes Sapphires Blue?
Blue Sapphires: What Makes Sapphires Blue?
May 8, 2018
gemrockauctions.com
How Strong Are Sapphires?
2:58
How Strong Are Sapphires?
Aug 12, 2022
humix.com
Sapphires from Port Hope Simpson, Labrador. Sapphires in the host rock , raw sapphires and the finished product fin. #Sapphires. #Labrador. #Raw | Wild Earth Treasures
0:21
Sapphires from Port Hope Simpson, Labrador. Sapphires in the host ro…
10.3K views5 months ago
FacebookWild Earth Treasures
Sapphires are HARD! and yes - moissanite and silicon carbide are the minerals I talked about. | Dan Hurd Prospecting
0:42
Sapphires are HARD! and yes - moissanite and silicon carbide ar…
47.2K viewsMar 29, 2025
FacebookDan Hurd Prospecting
Diamonds, sapphires, and topaz rank between 8-10 on the Mohs hardness scale, which measures a gemstone's resistance to scratching. That means they're incredibly hard and can easily scratch softer stones like emeralds (7.5-8), opals (5.5-6.5), and pearls (2.5-4.5). When these gemstones rub against each other in storage, the harder ones will damage the softer ones—it's not a matter of if, but when.​ The Mohs scale isn't linear, so the difference between each number is significant. A diamond at 10
0:13
Diamonds, sapphires, and topaz rank between 8-10 on the Mohs ha…
19.7K views7 months ago
FacebookThe Jewel Creation
About Sapphire - School of Hard Rocks Lesson 37
1:12
About Sapphire - School of Hard Rocks Lesson 37
730.2K viewsJun 18, 2021
YahooYahoo TV SEA
Hard Rock Gold – Part 9 ⛏️💛 Found stockwork (spiderweb quartz) in hard rock? Here’s what you want to see to know the zone is mineralized: pyrite, arsenopyrite, chalcopyrite, dirty quartz bands, rusty staining, and heavy black minerals. These are some of the best indicator clues that the system had strong mineral fluids moving through it. ➡️ Part 10 next: gossans/iron hats and why they can sit right on top of gold zones. #HardRockGold #Stockwork #IndicatorMinerals #GoldProspecting
1:50
Hard Rock Gold – Part 9 ⛏️💛 Found stockwork (spiderweb quartz) in h…
5.6K views4 months ago
TikTokwildearth2025
About Sapphire - School of Hard Rocks Lesson 36
475.8K viewsJun 4, 2021
YahooYahoo TV SEA
1:40
Identifying Calcite
43.9K viewsNov 22, 2014
YouTubeGVSU HSAG
17:03
How To Cut Gemstones - Sapphire
156.3K viewsJul 7, 2019
YouTubeVintage Time
21:41
Polishing Agates - Part 1 Rough Polish
87.2K viewsJul 27, 2020
YouTubeDavid Briggs
8:15
Cleaning Crystals With Acid
142.6K viewsAug 13, 2020
YouTubeCurrently Rockhounding
10:18
Why These 5 Rocks Actually Glow
199.8K viewsAug 23, 2020
YouTubeSciShow
6:54
Sapphire Mining at Rock Creek, Montana
32.5K viewsSep 9, 2016
YouTubeGIA (Gemological Institute of America)
9:58
8 Structure Secrets of Gemstones
841.7K viewsMar 10, 2017
YouTubeSciShow
10:53
How to Drill Agates, Jasper & Rocks
133.2K viewsAug 20, 2018
YouTubeMusic Fun with Denny
15:02
How to cut gemstones - Sapphires Down Under
47.5K viewsMar 14, 2019
YouTubeVintage Time
3:02
What Is Sapphire - Gemstone Facts and Information
52.8K viewsSep 29, 2016
YouTubeGemporia
1:11:32
Gem-A Live: Understanding Gemstone Species and Varieties
305.2K viewsMay 21, 2020
YouTubeGem-A
11:18
Montana Sapphire Mining At The Blue Jewel Mine
47.6K viewsJun 29, 2018
YouTubeAlan Robertson
1:29
Rubies: What Makes a Red Ruby
56.9K viewsJun 29, 2017
YouTubeTheNaturalSapphireCo
13:16
HOW TO FIND the right spot to find SAPPHIRE
33.6K viewsJan 4, 2021
YouTubeLiz Kreate
21:36
How to easily indentify and find agates!
258.8K viewsOct 8, 2020
YouTubeTaylor's Rocksmithery
4:05
Which one should I choose – diamond, moissanite or white sap…
30.6K viewsSep 14, 2018
YouTubeAide-mémoire
11:05
Exploring for Lake Superior Agates // Rockhounding for gems
411.3K viewsOct 29, 2020
YouTubeTaylor's Rocksmithery
3:24
Tanzanite 101: Expert Advice on Buying Rare Gem
351.4K viewsMar 17, 2014
YouTubeHKTDC
9:53
Ruby & Sapphire Crystal Mining @ Cherokee Mine in North Carolina
987.7K viewsJun 11, 2019
YouTubeThe Crystal Collector®
7:41
How We Find Gemstones and Minerals - Liz Kreate
595.6K viewsDec 8, 2015
YouTubeLiz Kreate
4:59
How to Cut and Polish Gemstones Without Machines
1.2M viewsJul 5, 2016
YouTubeMine to Market Media (formerly Lawson Gems)
5:37
How to Cut and Polish Semi Precious Gemstone - Ribbonston…
1.9M viewsDec 22, 2014
YouTubeLiz Kreate
See more videos
Static thumbnail place holder