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4meter last won the day on January 26 2016

4meter had the most liked content!

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About 4meter

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    Tucson, Arizona
  • Interests
    rock/mineral/fossil collecting; geology; meteorology; astronomy; sailing; good food; wood working; afternoon naps.

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  1. Your streak of the inner portion of the black rock said it all, Pyrite and maybe some minor Chalcopyrite which confirms the minerals seen in your photo. I have no idea if your purple rock is mineralized.
  2. I'm with d-day. I bet it comes back as a horn coral on fossil bearing limestone. There could be some replacement of the calcite with quartz. That happens quite a bit.
  3. I would not rule out green Microcline as a possibility. The last photo shows nice "twinning" of minerals, a major characteristic of microcline. There also appears to be some cleavage showing in the other photos. This is a very attractive mineral. Nice find!
  4. Photos are blurry but looks like Pyrite to me.
  5. I dought there is any economic metals in that lump. The holes and refined metalic surface of the sample lead me to believe that this is a piece of left over furnace pour, "metallic slag" for lack of a better word. I'm sure the folks in the foundaries have a word for it. It is not a mother nature made mineral or rock.
  6. There is dark green and purple minerals in there as well. What is it now?
  7. I think Diggingd is spot on the ID of the sample. Your sample looks very much like the small pieces of Fire Agest from S.E. Arizona
  8. Interesting find. I think the term for all the fossil pieces is "hash" such as "trilobite hash", or "coral hash" etc..
  9. Very nice find! I love your display, simple and elegant.
  10. Baste on one photo - looks like the mineral Biotite to me. Maybe a Biotite Schist (rock type).
  11. Yes that is correct about "smokers", but there are many low grade metamorphised "smokers" in the Appalachian Mt. chain. The old massive sulfide/copper depoits of southeastern TN are a prime example. So it is possible this "smoker relic" could have been found in the Mts. then sold and made its way to the fishpond. Of course, this is all guess work on my part.
  12. No way its a Molybdium, Galena or Zinc ore. Im going with Obsidian.
  13. With the new photos I'm very confident that it the predominate mineral is Epodoite and the rock type is an Actinolite (metamorphic rock type).
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