Rocks & Minerals

1,691 topics in this forum

1. Old rock, perhaps?

   By Malach, October 30, 2022   

   • geologist
   • geology
   • (and 1 more)

     Tagged with:

     • geologist
     • geology
     • rock
   • 0 replies
   • 41 views
   • 
   • Malach
   • October 30, 2022

2. Is this an old rock?

   By Malach, October 30, 2022   

   • geologist
   • geology
   • (and 2 more)

     Tagged with:

     • geologist
     • geology
     • old?
     • rock
   • 0 replies
   • 84 views
   • 
   • Malach
   • October 30, 2022

3. Unknown mineral

   By mr fossil, October 21, 2022   

   • crystal
   • dense
   • (and 3 more)

     Tagged with:

     • crystal
     • dense
     • green
     • mineral
     • plutonic
   • 1 reply
   • 56 views
   • 
   • FranzBernhard
   • October 21, 2022

4. Unknown mineral

   By mr fossil, October 13, 2022   

   • crystal
   • desert
   • (and 3 more)

     Tagged with:

     • crystal
     • desert
     • not quartz
     • saudi arabia
     • translusent
   • 2 replies
   • 100 views
   • 
   • FranzBernhard
   • October 13, 2022
5. • New Members

   ID please?

   By lolita33, October 7, 2022   

   • help identify
   • newmember
   • (and 1 more)

     Tagged with:

     • help identify
     • newmember
     • unusual growth
   • • New Members
   • 9 replies
   • 191 views
   • 
   • lolita33
   • October 7, 2022

6. Quartz?

   By Buddhabelly, October 5, 2022   

   • ?
   • chalcedony
   • (and 1 more)

     Tagged with:

     • ?
     • chalcedony
     • quartz
   • 6 replies
   • 82 views
   • 
   • Buddhabelly
   • October 6, 2022

7. Unidentified mineral

   By mr fossil, October 5, 2022   

   • brown
   • coarse
   • (and 2 more)

     Tagged with:

     • brown
     • coarse
     • mineral
     • vein
   • 3 replies
   • 67 views
   • 
   • ynot
   • October 5, 2022

8. Rock Identification?

   By Buddhabelly, October 3, 2022   

   • fossil
   • ore
   • (and 1 more)

     Tagged with:

     • fossil
     • ore
     • rock
   • 2 replies
   • 65 views
   • 
   • Buddhabelly
   • October 3, 2022

9. Help! What is this? Botryoidal Hematite? A-A Basalt? Or WORSE?

   By Jellybean07, September 16, 2022   

   • help identify
   • identification
   • (and 1 more)

     Tagged with:

     • help identify
     • identification
     • mineral
   • 23 replies
   • 247 views
   • 
   • FranzBernhard
   • October 1, 2022

10. Meteorite???

    By Amanda074, September 26, 2022   

    • identification
    • iron meteorite
    • (and 1 more)

      Tagged with:

      • identification
      • iron meteorite
      • meteorite
    • 5 replies
    • 90 views
    • 
    • ynot
    • September 27, 2022
11. • New Members

    Rock identification

    By ThaDragonSlayer, September 26, 2022   

    • artifact
    • fossil
    • (and 1 more)

      Tagged with:

      • artifact
      • fossil
      • stone
    • • New Members
    • 0 replies
    • 55 views
    • 
    • ThaDragonSlayer
    • September 26, 2022
12. • New Members

    What is this Rock?

    By Daniel A, February 25, 2022   

    • petrified
    • quartz
    • (and 1 more)

      Tagged with:

      • petrified
      • quartz
      • sedimentary rock
    • • New Members
    • 6 replies
    • 511 views
    • 
    • mr.cheese
    • September 16, 2022

13. Put them back in the garden or dig deeper?

    By Aussieopal, September 2, 2022   

    • australia
    • breccia?
    • (and 3 more)

      Tagged with:

      • australia
      • breccia?
      • calcite?
      • concretion?
      • quartz?
    • 8 replies
    • 100 views
    • 
    • Aussieopal
    • September 3, 2022

14. Rock ID

    By JurassicPiper, August 27, 2022   

    • beach
    • jasper
    • (and 1 more)

      Tagged with:

      • beach
      • jasper
      • rock
    • 3 replies
    • 80 views
    • 
    • Lone Hunter
    • August 30, 2022

15. Green naturally polished rock. Jade?

    By Callahan, August 26, 2022   

    • green
    • jade
    • (and 1 more)

      Tagged with:

      • green
      • jade
      • jadeite
    • 9 replies
    • 224 views
    • 
    • Callahan
    • August 27, 2022

16. August 2022 Utah Meteorite Fall

    By Oxytropidoceras, August 26, 2022   

    • chondrite
    • chondrites
    • (and 4 more)

      Tagged with:

      • chondrite
      • chondrites
      • meteorite falls
      • meteorite hunters
      • meteorites
      • utah
    • 0 replies
    • 59 views
    • 
    • Oxytropidoceras
    • August 26, 2022

17. Meteorite / Achondrites/Chondrites?

    By Creek - Don, August 22, 2022   

    • achondrites
    • metorite
    • (and 1 more)

      Tagged with:

      • achondrites
      • metorite
      • space
    • 4 replies
    • 135 views
    • 
    • Ludwigia
    • August 23, 2022

18. The gift that keeps on giving.

    By Darktooth, August 21, 2022   

    • agate
    • gift
    • (and 1 more)

      Tagged with:

      • agate
      • gift
      • thunder egg
    • 3 replies
    • 103 views
    • 
    • ynot
    • August 22, 2022

19. Iron ore slag glass. Worth anything?

    By Callahan, August 21, 2022   

    • glass
    • iron ore
    • (and 1 more)

      Tagged with:

      • glass
      • iron ore
      • vaule
    • 2 replies
    • 81 views
    • 
    • Callahan
    • August 22, 2022
20. • New Members

    Petrified shelless egg, ha ha, any ideas?

    By BillyT, August 19, 2022   

    • agatized
    • help
    • (and 3 more)

      Tagged with:

      • agatized
      • help
      • identification
      • petrified egg
      • rock egg
    • • New Members
    • 10 replies
    • 223 views
    • 
    • grandpa
    • August 21, 2022

21. Green Serpentite Magnetite Meteorite 55lbs

    By Redbearded812, August 20, 2022   

    • 55lbs
    • green
    • (and 3 more)

      Tagged with:

      • 55lbs
      • green
      • magnetite
      • meteorite
      • serpentite
    • 3 replies
    • 94 views
    • 
    • JohnJ
    • August 20, 2022

22. What is this?

    By lcirak, August 19, 2022   

    • arrowhead
    • bone
    • (and 1 more)

      Tagged with:

      • arrowhead
      • bone
      • fossil
    • 2 replies
    • 92 views
    • 
    • Rockwood
    • August 19, 2022
23. • New Members

    Mineral id

    By Callahan, August 17, 2022   

    • mineral
    • petrified wood
    • (and 1 more)

      Tagged with:

      • mineral
      • petrified wood
      • quartz
    • • New Members
    • 2 replies
    • 67 views
    • 
    • Callahan
    • August 18, 2022

24. Bizarre Rock ID

    By Muffinsaurus, August 16, 2022   

    • creek find
    • kentucky
    • (and 2 more)

      Tagged with:

      • creek find
      • kentucky
      • rock id
      • weird rock
    • 9 replies
    • 115 views
    • 
    • Muffinsaurus
    • August 17, 2022

25. Rock ID

    By Aussieopal, August 13, 2022   

    • nsw australia
    • rock
    • (and 1 more)

      Tagged with:

      • nsw australia
      • rock
      • swirly
    • 2 replies
    • 63 views
    • 
    • Aussieopal
    • August 13, 2022