How to Identify a Rock: App Edition
22:34
Rock Identification with Willsey: Intro to rock types and useful ID tips
15:57
The Hardest Rock Tumble I've Ever Done
21:15
Rock Identification: A Gift from an Amateur Rockhound
40:24
What does gold look like in ore rocks? Gold bearing rock identification.
20:06
15 Gemstones More Expensive Than Diamonds #2
15:14
How To Identify Gold In Rocks
18:58
Rock Identification Made Easy
33:25