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Haderly

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Haderly last won the day on April 27

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About Haderly

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  1. Absolutely an agate. It was formed in a gas pocket so the round side goes down. The flat side is the level of the silica being deposited since the gas pocket would have been almost spherical. You can see the lines in the agate on the top edge which are referred to as a “water line agate”. Based on the color it would also be called a Carnelian Agate.
  2. I am betting that it is tar and what you are seeing in it got mixed in from being on the ground. Does it have a smell? Put a torch on it and see what happens. I know someone that collected a bunch of what they thought was obsidian. It was rock hard in the winter but as soon as the Arizona summer hit the rocks started to melt. He had collected a bunch of roofing tar that had been discarded. What he had was identical to what you are showing including the impurities in it.
  3. I took this picture awhile back. The mountain troll is certainly natural but he is overlooking some vast wealth.
  4. That is a broad collection. Fairly common but that should not take away from the value to you. You might want to get a UV light and do some night hunting for Yooperlites. They are pretty ugly in daylight but fluoresce really well. https://www.yooperlites.com/how-to-find-yooperlites.html
  5. I shouldn't have second guessed myself.
  6. If I get anymore specific I will truly show my ignorance of meteorites. If I was forced to guess it would be Tagish Lake or Allende but I doubt either one is correct since you have posted a lot of NWA meteorites. Maybe a NWA 8534 since there is no size reference and could be a very small piece...so that is my final answer.
  7. Is it a type of Martian meteorite? My wild guess would be Shergottite
  8. I agree. Ohio has a lot of concretions and this one looks to be a classic formation.
  9. Air bubbles means it is not a meteorite. Looks to be vesicular basalt or coke slag. Any old railroads near where you found it?
  10. I've never researched how tube agates formed. I know some are formed like straws (stalagtites) but those don't change direction. The ones here are completely random in direction and constantly change direction. It would be similar to tubes left behind by shipworms but that area is all volcanic so I don't think their formation is biological. Perhaps they are Helictites but that is a pure guess. As for the good material being gone, it mostly is in the areas where everyone goes. If you are willing to walk and drive into the more remote areas, you can still find good material. Most people go to the proven areas and don't venture any further so there is still plenty of untouched areas.
  11. I believe what you have there is a variety of nice Gneiss. Your previous post said it came from the Republic Mine which based on https://www.mindat.org/loc-19621.html the parent rocks are Gneiss and Amphibolite. I have cut and polished several pieces of Gneiss with great results. I prefer the small tight bands since they still show the structure when cut into cabs. .
  12. Does it have a brass look to it like the first picture? Based on the first picture I would guess it is pyrite. A good research resource is https://www.mindat.org/ You can go to the region or sometimes the actual quarry/mine and see what has been found there. Often they will even have pictures of actual rocks/minerals that have been found in that location. That website is also a great resource for finding new places to look.
  13. Thanks again for the advice. I am going to look into the local club here.

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