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Lapidary / Gemstone Community Forum
January 19, 2019, 09:28:43 am
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Any clue as to what this is? Coprolite? Youngite?

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Author Topic: Any clue as to what this is? Coprolite? Youngite?  (Read 394 times)
mossyrockhound
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I dig rocks.


« on: April 11, 2016, 04:10:10 pm »

Hi all,

My buddy was over last week and we picked a rock out of the rock pile and cut it.  It weighed about 15 or 20 pounds before cutting.  It was purchased 20 or so years ago in an estate.  Neither one of us knew what it was.  Can anybody ID it?







Thanks for looking!
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~ Garry ~
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lithicbeads
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« Reply #1 on: April 11, 2016, 05:21:28 pm »

That looks a bit off for youngite. A California geode possibly.
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jakesrocks
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« Reply #2 on: April 11, 2016, 05:36:15 pm »

Not coprolite either.
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rocks2dust
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« Reply #3 on: April 12, 2016, 12:40:19 am »

My first thought was limb cast.
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hulagrub
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When you cultivate man, you turn up all the clods


« Reply #4 on: April 12, 2016, 10:14:39 am »

My first thought was petrified wood.
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Dave, a certified Rockaholic

55fossil
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« Reply #5 on: April 12, 2016, 10:36:16 am »

Could you post another pic or two of the exterior. Coprolite comes in a lot of sizes and shape. Now granted, 20 pounds is a lot of s..., but a turd is a turd and dinosaurs were big. I am not certain that there is a given "normal" for the interiors of Dino Poop but the outside looks possible. cool posting
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mossyrockhound
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I dig rocks.


« Reply #6 on: April 12, 2016, 02:41:44 pm »

Could you post another pic or two of the exterior. Coprolite comes in a lot of sizes and shape. Now granted, 20 pounds is a lot of s..., but a turd is a turd and dinosaurs were big. I am not certain that there is a given "normal" for the interiors of Dino Poop but the outside looks possible. cool posting

Here are a couple more pics.  The chunk is still in the saw vise.

With tape measure for size.  It was 4 or 5 inches longer before I cut the slabs.  Sort of like a gnarly loaf of bread:


From the back:


Another from the top;


Thanks for any help.


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hulagrub
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« Reply #7 on: April 12, 2016, 09:42:50 pm »

It might be coprolite!
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Dave, a certified Rockaholic



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