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Everything posted by d_day

  1. From what I understand the cave has actually been sealed off and will be refilled with water once the mine closes.
  2. If you can get a few more maybe you can glue them together and make a granite counter top.
  3. I think Billy is dead on for the first example. The next one is a double thunder egg. I'm guessing from Oregon. Next may well be malachite but in the photo it looks more like common opal. I can't ID the last one but calcite is as good a guess as any. The only one I'm certain of is the T-egg.
  4. I may have been a touch hasty with my invite. I keep forgetting that Diane Finestein is trying to get 90% of the areas I hunt turned into a national monument.
  5. Chris, great work on those cabs. Very impressive for your first efforts. If you ever find yourself in SoCal during the winter, let me know and I'll take you out to find some nice cabbing material.
  6. I see no evidence that any of these are or were stone tools. Many, if not all of these, appear to be the same rocks you posted pictures of before. You ignored our opinions then, and appear to be ignoring them now. The process by which you are trying to "prove" your hypothesis is a flawed one called, "confirmation bias." What you have done is to reach a conclusion first, and now you are trying to gather evidence to support your conclusion. You are also completely ignoring evidence which refutes your hypothesis. People who use these tactics while in school never get their doctorates. People in
  7. I'm also in the more likely to be fractures boat. Don't despair though, you've still got very nice material there.
  8. If your dehydrated brains are septarian nodules you may want to rethink that. They are quite often filled with quartz and or calcite crystals. They often look this when cut open... http://upload.wikimedia.org/wikipedia/commons/3/30/Septarian_Nodule.jpg http://www.johnbetts-fineminerals.com/jhbnyc/mineralmuseum/34310.jpg http://fc02.deviantart.net/fs71/f/2009/364/4/9/Septarian_Nodule_Slice_by_Undistilled.jpg
  9. The first 4 pics look like septarian nodules. No sure about the next two. The two after those do look like petrified wood. Specifically, they look to be opalized wood. The last one looks like coral. Of course it's impossible to tell with 100% certainty from these pictures.
  10. I think your best bet is the Poly arbor with 8" expando drums mentioned earlier. You can get belts for them fairly cheap in grits from 60 on up to around 3000, though you shouldn't need anything finer than about 1200. As you progress you can switch one side of your arbor to diamond hard wheel or pick up another arbor with two hard wheels. I'd recommend 100 and 220 if you go that route. If you decide you must have a combo unit, I'd suggest finding one from highland park, diamond pacific, or covington. I'd also stay away from cab king. They are more affordable, but there's a reason for that. Any
  11. Does not look like palm to me. I think it may be a cycad.
  12. I'm guessing the area you've found these in is a known area for fossils and pet wood. Otherwise I would expect there to be lots of the material in the wash on either side of the hill. The source you're looking for is probably the hill itself. I'd imagine it's a fairly old alluvial deposit, and that the material it contains has moved significantly over the eons.
  13. Looks like common opal. Could be pet wood. Tough to tell really.
  14. I see no evidence of any of these being man made. None. Zero. Zip. Zilch. Nada. Nothing. Every stone in your pictures is easily explainable by natural forces.
  15. http://www.jonathanandrewphotography.com/data/photos/65_1rock_strata.jpg http://static-www.icr.org/i/articles/af/lateral_layers_wide.jpg http://upload.wikimedia.org/wikipedia/commons/0/0f/Rock_Strata,_Durdle_Door_-_geograph.org.uk_-_274762.jpg http://thumbs.dreamstime.com/z/rock-strata-28655506.jpg http://media-cache-ak0.pinimg.com/236x/98/aa/1c/98aa1c93ed56299b5fb0350bea32011a.jpg
  16. I really don't see anything that stands out as man made. All of these stones can easily come about through natural forces.
  17. Hard to tell from the pictures. First picture looks like rhyolite to me, though some parts look more like jasper. Could be it's jasper and it only looks like rhyolite because of the surface weathering. The rest of the pictures look like jasper to me. some of them may be common opal, or opalite as suggested. If you do the knife test Haderly suggested and it leaves a scratch, then you've most likely got common opal.
  18. Oh, and Wikipedia lists Arizona as a major source of it.
  19. I was always under the impression that chrysoprase from Arizona was somewhat rare but well known. Hell, there was even at least one commercial chrysoprase mine there. http://www.mindat.org/loc-33748.html
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