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Shokmelt last won the day on September 20 2016

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  1. Well, there has been a lot of interesting speculation and analysis in this thread. Hopefully the OP with provide us with more info and some more pictures. Especially of the bottom of the object. That way maybe we can at least rule out that it's some sort of landing capsule for an alien-ant invasion. After all, we already have enough trouble trying to identify all of the invasive species.
  2. I'll bet you a Nickel that rock has some in it......distinct minerals that is...
  3. It might be prudent to give 'em the ole' streak-test first, just to make sure that they actually are rocks.......
  4. I agree with all of the above comments. Good rock hunting, but not a meteorite (with near certainty). Good photos, and an interesting rock though. It looks like a mixture of quartzite and some other material that is likely silica as well.
  5. Thank you, Ordinary rock. These are much better pictures. I appreciate the follow up. Honestly, I was really expecting that better pics of the top side and the window would lead to disappointment. On the contrary, I can see some surface features that are very encouraging. I still think that it's a very good candidate. Although if it is actually a meteorite, it might be one that would require an oxygen isotope test to produce reasonably convincing evidence of that. I think it would be worth it to have an expert look at it in person. At any rate, I would take care of that little guy, and maybe go look for some more like it where you found that one if possible.
  6. I mostly agree with that, Bob. The streak test is more about identifying minerals, rather than rocks. That being said, the ubiquitous nature of mineralized iron does make it a useful test. I would just not want for someone to cast away some rare, here-to-fore unknown achondrite based "solely" on the fact that it failed a streak test. I'm also not implying that I think that's what this is. I'm jus' say'n'. CAUTION: The above is not intended to provide false hope to all of those out there who are clinging to some delusional belief that they have a Martian sedimentary rock. However, it is also not intended to encourage disbelief in the possibility of the existence of Martian sedimentary rock meteorites. On a side note: I do recall that back in the 1970's there was a popular streak test for rocks. A positive test would often produce loud and shrill shrieking sounds, and leave behind some blush color. I think it was intended to indicate some brass content in the rocks.
  7. It looks reddish in the streak test pic. I was going by your assertion that it looks purple, as cameras don't always render true color well.
  8. What we really need for this one is some better pics. Try taking some pics outdoors in bright sunlight and or in "open shade"(like in the side shadow of a building or a car-as opposed to under a tree or a canopy). It would also be helpful to have a series of photos of the non-flat (top side) from 3 or 4 different rotated angles. And how it responds to a magnet would be very helpful too.
  9. It is always difficult to say for sure when you are just looking at photos, especially in the absence of various testing results information, but I think that might very well be a meteorite. It's a good find for sure. You should polish that window that you opened through a few grades of sandpaper until you have a good flat and smooth surface, and then post some pictures of that.
  10. You're very welcome. I'm glad that I could be of service, and your good sense of humor is greatly appreciated. You should hang around and peruse this forum. You'll find a lot of good chuckles and a lot of helpful and insightful information about meteorites, impact craters, and the precious metals that are delivered to the Earths' crust by them. Cheers ;
  11. Hi Cincyguy, that rock is decidedly granite, so of course it is ' EXTRA' terrestrial,
  12. Hmmmm.....Very 'nlightening.
  13. OMG !!! I have heard of ground-to-air lighting, air-to-ground lighting, and air-to-air lighting, but I have never heard of, much less seen before, ground-to-ground lighting. SPECTACULAR ! Now there's some serious EMI.
  14. Well I'm glad we have that cleared up. Thanks for the link WH I would just like to add to this discussion that for the purpose of removing gold from host rock, the key thing to keep in mind is that HF acid, unlike other acids, has the unique ability to react with SiO2 (quartz). So for other mineral constituents, you might have to resort to something like nitric acid (another extremely dangerous substance), or something else that's more appropriate to the particular mineral chemistry in question.
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