Mining for America's Rarest Crystals in a 160 Year Old Mine
50:28
Crystal Palace hidden beneath the Mexican desert | The Mystery of the Giant Crystals
28:17
Surprising Discovery Hidden Deep Inside this Abandoned Gold Mine
29:18
Mining topaz and aquamarine and building a mountain road | Mt. Antero Treasures S4:E1
11:48
How Miners Find, Cut, And Transport The Most Expensive Amethysts In The World | So Expensive
35:23
Moments of scanning an ancient castle and finding treasures from bygone times
41:28
From Raw Crystal to Crystal Oscillator - Crystals go to War in 1943
24:17
Explore the Royal Peacock Opal Mine / OPEN TO PUBLIC!!
42:26