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d_day

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Everything posted by d_day

  1. Serpentinite was actually my first thought, for all the reasons you mentioned.
  2. This could be so many things. It’s too hard to tell exactly what it is from just pictures. I think Bob may be on to something with the quartzite. It does have the appearance of quartzite, which is a metamorphosed quartz sandstone. It also looks like it could be a fairly grainy chert. It could be a number of other things with staining from chemical weathering.
  3. I can’t say for sure, but I’d guess it’s marble.
  4. FYI CLR and iron out are basically the same thing.
  5. Agate isn’t typically considered a locatable mineral so claims for it are typically denied. Claims for agate can be granted if the agate is unique and highly desirable, but most agate just isn’t.
  6. Nothing I’ve ever read mentioned the land was patented. This is excellent info to have. Thanks Clay. And I’d guess you’re probably right. it’s probably cinders.
  7. I’ve always seen a product called Iron Out recommenced for this, though I’m not sure if you soak them in it or spray and scrub.
  8. Nearly all of the rockhounding books about California list a place to pick up agate nodules near Newberry Springs, off old Route 66. It’s a place I always wanted to go, but never felt comfortable without a 4 wheel drive. They make it sound so simple in the books — climb the hill, dig in the ash blowouts, and find some nice agate nodules. It’s gone back and forth between an active mining claim and public land many times over the years, and it appears as though it is an active claim once again. I’ve heard reports that the gate at the bottom of the hill is closed and locked, and there’s a no trespassing sign mentioning an open pit mine. I looked on my map app on my phone, and sure enough, there is mining equipment at the end of the road. I hope no one here was planning a trip out there, but if anyone was, I hope that this will save them a trip.
  9. Disgrace? You claim the item pictured is a meteorite. Mike, a very experienced meteorite hunter, says based on what he can see that it is not a meteorite. So, he’s a disgrace for stating his opinion? But see, here’s the thing. You, as the person claiming the item is a meteorite, have the burden of proof. You say it’s a meteorite. Prove it. Go get it classified and make us eat our words. Until then, it’s just a piece of vesicular basalt.
  10. If that's a meteorite it can’t be worth much. I can find those by the ton.
  11. An asteroid passed just 250 miles from earth on Friday the 13th. https://www.sciencealert.com/earth-just-had-a-record-close-shave-with-a-house-sized-asteroid?fbclid=IwAR3vd1MWdx0mAVb-2oe0tieDGfombSxKknC6LdHvmuyGGhtVQcM-RLYgY1M
  12. I’m with most everyone else. Appears to be man made.
  13. Only meteorites have a fusion crust. You don’t believe it's a meteorite, so you probably shouldn’t say it’s got a fusion crust. I very rarely am certain about a stone’s ID just from looking at pics or video, but I’m going to say this is 100% a broken concretion.
  14. Well, if a drill bit or a file doesn’t scratch it then it’s far too hard to be serpentine, though if I were going based on appearance alone that’s exactly why I would say it was. At this point I think it’s most likely to be either glaucophane or zoisite.
  15. You could also do a streak test, but everything I think it might be has a streak of white so that’s not going to help.
  16. Moqui marble is a name for hematite concretions from a specific location. Hematite concretions are quite common all over the world, and are known to be found in Arkansas. Something else found in Arkansas are spherical pyrite nodules. Over time, pyrite can oxidize into hematite. I suspect that might be what you have here.
  17. A hardness test will give you the most bang for the buck. I wouldn’t bother trying to test the darker areas as those areas appear to be composed of multiple minerals. The lighter areas look like a singular mineral so testing there should get you closer to a correct ID. Here’s a link to a site that will get you in the ballpark with stuff you have at home. Once you’ve tested your stone let us know the results and we’ll be able get you closer to an actual ID. I would also suggest a specific gravity test, but being that your stone doesn’t have a singular composition it’s not going to be accurate. https://www.oakton.edu/user/4/billtong/eas100lab/hardness.htm
  18. Not sure about the first one. Second appears to be a concretion.
  19. Try here. Might get lucky. https://www.kelleyskaleidoscope.com/store/c227/Brazilian_Agate.html If not, that's a Brazilian agate slab. They’re pretty common. You can pick them up at just about any rock shop.
  20. I just eye rolled so hard I could see my brain
  21. This describes almost every terrestrial stone that has been exposed to weather for any appreciable amount of time.
  22. So, it’s a tektite, but is crystalline? You are aware, aren’t you, that tektites are amorphous?
  23. It has the look of pet wood but I won’t say for certain that’s what it is. The photos are unclear when zoomed in, so details are lost. Plus, it’s very difficult to identify stuff from photos to begin with.
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