Thunderegg! |
Colorado Prospector - Gem and mineral prospecting and mining forums > Prospecting, Mineral Collecting and Treasure Hunting Forums > Gem and Mineral Specimen Finds or Processes  |
Thunderegg! |
 Jul 4 2020, 11:59 AM
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Observer  Group: Members Posts: 2 Joined: 3-July 20 Member No.: 225,449  |
We borrowed a rock saw and found out that the rock we had was indeed a thunderegg! Does anyone have thoughts on what the yellow may be? Also, what’s the best way to polish something like this? Thanks so much!
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