Rocks, Minerals, Gems & Geology

486 topics in this forum

1. Huge 1,111 Carat Gem Quality Diamond Found, Second Largest Ever

   By Steve Herschbach, November 19, 2015   

   • amazing finds
   • 7 replies
   • 3.5k views
   • 
   • 1515Art
   • November 20, 2015

2. Gold Grows On Trees?

   By Steve Herschbach, October 31, 2015
   • 2 replies
   • 2.2k views
   • 
   • strick
   • November 1, 2015

3. Sulfides That Burn By Themselves?

   By tvanwho, October 28, 2015
   • 7 replies
   • 2.6k views
   • 
   • klunker
   • October 30, 2015

4. The Tunnels 1 2

   By beardog, October 25, 2015   

   • arizona
   • 10 replies
   • 4.5k views
   • 
   • tvanwho
   • October 27, 2015

5. Magnetic Properties Of Rocks And Minerals

   By Steve Herschbach, October 26, 2015
   • 2 replies
   • 7.4k views
   • 
   • klunker
   • October 26, 2015

6. Dikes Around Turkey Creek 1 2

   By beardog, October 18, 2015   

   • arizona
   • 12 replies
   • 6k views
   • 
   • beardog
   • October 24, 2015

7. Geology/Gold Formation Video Lecture

   By tvanwho, October 11, 2015   

   • videos
   • 2 replies
   • 3.5k views
   • 
   • strick
   • October 12, 2015

8. Know It If You Saw It? Better Than Gold. 1 2

   By 1515Art, September 27, 2015   

   • minerals rocks gems
   • 13 replies
   • 6.1k views
   • 
   • 1515Art
   • September 29, 2015

9. Thoughts On Specimen 1 2

   By indianbullet, September 21, 2015
   • 17 replies
   • 4.5k views
   • 
   • indianbullet
   • September 23, 2015

10. New Blue John Discovery

    By Steve Herschbach, August 19, 2015
    • 5 replies
    • 4.1k views
    • 
    • auminesweeper
    • August 20, 2015

11. Rocks From Oz 1 2

    By vanursepaul, August 10, 2015   

    • minerals rocks gems
    • australia
    • 14 replies
    • 6.3k views
    • 
    • normmcq
    • August 11, 2015

12. Opals and N. Nevada Gold 1 2 3

    By Sourdough Scott, May 27, 2015   

    • minerals rocks gems
    • 23 replies
    • 8.9k views
    • 
    • Sourdough Scott
    • June 1, 2015

13. Ordinary Rock Collections

    By Sourdough Scott, May 23, 2015   

    • minerals rocks gems
    • 9 replies
    • 4.1k views
    • 
    • 1515Art
    • May 24, 2015

14. Detecting Silver in Ontario With Notes On The White's TDI And Garrett Infinium

    By Steve Herschbach, May 14, 2015   

    • whites tdi
    • 6 replies
    • 3.1k views
    • 
    • Jim Hemmingway
    • May 17, 2015

15. So What is This Stuff? 1 2 3 4

    By Reno Chris, February 17, 2015   

    • minerals rocks gems
    • 31 replies
    • 10.2k views
    • 
    • Rick Watkins
    • February 24, 2015

16. Help Identify Strange Rocks

    By Rick Watkins, February 16, 2015   

    • minerals rocks gems
    • 9 replies
    • 6.7k views
    • 
    • Rick Watkins
    • February 17, 2015

17. Nice Fossils In The Bedrock...

    By TRINITYAU, February 16, 2015   

    • california
    • geology
    • 1 reply
    • 2.6k views
    • 
    • G.B.
    • February 16, 2015

18. Early Vikings Use of Calcite Show on Travel Channel this 2/12/15

    By ~LARGO~, February 10, 2015   

    • minerals rocks gems
    • 4 replies
    • 3.2k views
    • 
    • ~LARGO~
    • February 12, 2015

19. How To Weigh Gold And Such? 1 2

    By tvanwho, January 21, 2015   

    • cleaning and selling
    • 13 replies
    • 7.7k views
    • 
    • tvanwho
    • January 31, 2015

20. Getting A Good Price For Your Gold 1 2

    By Steve Herschbach, October 28, 2014   

    • cleaning and selling
    • 14 replies
    • 6.8k views
    • 
    • Ken Walls
    • January 24, 2015

21. Red Dirt and Desert Gold? 1 2 3

    By tvanwho, January 4, 2015   

    • geology
    • 21 replies
    • 20.6k views
    • 
    • tvanwho
    • January 12, 2015

22. Best Way to Clean Gold? 1 2

    By strick, November 13, 2014   

    • cleaning and selling
    • 18 replies
    • 18.9k views
    • 
    • LipCa
    • December 24, 2014

23. Not Gold, But It Sure Was Loud

    By Condor, December 12, 2014   

    • arizona
    • minerals rocks gems
    • 3 replies
    • 3.1k views
    • 
    • Reno Chris
    • December 13, 2014

24. Online Mineral Museum

    By Steve Herschbach, October 2, 2014   

    • minerals rocks gems
    • 2 replies
    • 3.8k views
    • 
    • Gold Seeker
    • October 2, 2014

25. California Gold Country Mineralization 1 2 3

    By moxford, May 15, 2014   

    • california
    • geology
    • 25 replies
    • 10.5k views
    • 
    • GeoJack
    • May 24, 2014

26. Free Book - The Upper Reaches Of The Sierra Nevada Auriferous Gold Channels, California and Nevada

    By Steve Herschbach, May 19, 2014   

    • california
    • research
    • 7 replies
    • 5.1k views
    • 
    • Reno Chris
    • May 21, 2014

27. World's Largest Gold Crystals Studied At Los Alamos

    By Steve Herschbach, April 12, 2014   

    • videos
    • amazing finds
    • 7 replies
    • 9.5k views
    • 
    • Hobo
    • April 27, 2014

28. Octahedral Gold Find

    By Rick Watkins, April 26, 2014   

    • minerals rocks gems
    • 3 replies
    • 3.4k views
    • 
    • Rick Watkins
    • April 26, 2014