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  1. Bedrock Bob

    Bedrock Bob

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    David Timo

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    nugget108

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Popular Content

Showing content with the highest reputation on 09/11/2020 in all areas

  1. Check out this sweet little piece of pet wood I found tonight. It is red like a carnelian. I thought that was what it was when I saw it. Thin as a cracker. I'm calling it a cryptocrystalline translucent silicon dioxide replacement mineraloid that was agatized from a ligneous material formed in the precambrian. But I might be wrong. It passes the agate test anyway. It sure is red. Looks like a hunk of buffalo steak.
    4 points
  2. Here are some other mineraloids located this evening. A few pieces of pet wood. None spectacular but most will tumble nicely. A nice pile of maerkenites. These obsidian nodules go from opaque to nearly water clear. Many have banding and some have great sheen patterns. A few look just like black moonstones when they are tumbled. The sheen really pops when the stone is turned to the light just right. Most are nice wrinkle free orbs that polish up perfectly. Some have fissures and wrinkles and don't make perfect stones. But even the imperfect ones look pretty nea
    3 points
  3. Hi guys! Well I have been a detectorist for about 5 years and a gold prospector for decades. I have been following Bill for awhile now and I really like a change from say Jeff you know "and yes your going to get wet!" Lol I am in southern AZ way south as in 26mi from the border near Nogales, AZ. Bill has reignited my love for detecting but down here it is almost all placer so I guess I am looking more for relics from the Spanish who were all over these parts. I am excited to travel to more areas that do have nugs and have actually been up and explored the San Domingo wash! I love that are
    2 points
  4. Here is another thin flake of pet wood. It does not pass the agate test but I'm calling it agatized wood anyway. I suspect this one is a cryptocrystalline silicon dioxide replacement mineraloid that was agatized (or jasperificated) from ligneous material formed in the late cretacious. I might be wrong though.
    2 points
  5. Microcrystalline and cryptocrystalline are synonymous terms, maybe you meant to say macrocrystalline Bob? Also for the OP, a hardness test would be most helpful, the first one posted looks like it could be Obsidian or common Opal but I think all of these might just be Chalcedony.
    2 points
  6. It is an .88A motor. I just painted it and put new bearings on it. It is a Lortone 15# circa 1967 I think. I got it about 3 years ago from a buddy. Ran it solid 24/7 for a couple years. I had 3 other smaller tumblers running at the same time. I guesstimated they cost about $10 per month to run. So this one alone might run $3-5 a month if I run it constantly.
    1 point
  7. Welcome aboard! Did you mean all hardrock? Placer is best for detecting so that would be a good thing for ya. Anyway, welcome aboard and im sure you will find this forum very helpful and entertaining. Lots of great folks here.
    1 point
  8. Opal is a mineraloid and has no crystal structure - it is amorphous like glass. Obsidian is a rock - not a mineral. It is composed of various minerals depending on where and how the felsic lava was ejected and cooled. Obsidian has no crystal structure but it sometimes does contain minerals that do have a crystal structure. Hope that helps.
    1 point
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