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Hristian

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Posts posted by Hristian

  1. 15 hours ago, studiot said:

     

     

    I should have noted that the Cherts are a sedimentary rocks and some can look like the OP.

    It is not rounded enough to be a water tumbled pebble of say agate or jasper, as found on beaches.

    I am not sure but I think I can see remnents of a typical obsidian conchoidal fracture in the centre of the OP picture, so the specimen could be a red obsidian, although some forms of chert (as flint) exhibit this fracture mode.

    It is also a bit large and pure to be a red feldspar, which is another possibility.

    Density and microstructure will tell the difference without destructive testing.

    It weights around 3 grams and it's very hard. I tried scratching it with another rock, a glass and a steel knife, only the knife barely scratched it. It has something inside of it when i look at it on the light but i don't know what it is, it's a little circle (3 of them to be exact).

  2.  

    56 minutes ago, StringJunky said:

    Is it warm to the touch and does it have a pine smell when you rub it? If so, it's some form of tree sap resin. I think old stuff is called amber.

    No, it.doesn't. It feels like a rock - cold, solid and it doesn't smell like anything i think. And i have this tree sap resin you are talking about and it's not even close to this thing's hardness, that's why i'm curious.

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