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enter image description here

About 1.5 feet tall, 1 foot deep and 2 foot wide. Very heavy and very hard. I will get a better picture posted asap. You can read a newspaper thru it. Was left to me by my uncle years ago but never told me where or how he got it. I'm desperate to know what it is and why he kept it so long. Please help. Thank you.

I should also add that I am from South Dakota but I can't tell you for sure that's where it was found.

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closed as unclear what you're asking by Spencer, Fred, Gimelist, daniel.neumann, Semidiurnal Simon Nov 7 '18 at 14:27

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    $\begingroup$ Can you scratch it with a knife? Piece of glass? Steel nail? $\endgroup$ – Gimelist Sep 5 '18 at 23:31
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    $\begingroup$ The style of it, especially around the base, makes me think this is a sculpture. $\endgroup$ – Spencer Sep 6 '18 at 20:13
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The conchoidal fracture and the size of the "stone" point towards glass. Follow Gimelists advice and try to scratch it with a steel nail.

You can scratch it - no glass... You can't scratch it - points towards glass

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  • $\begingroup$ I would agree that the conchoidal fracturing is a distinct way in which glass tends to break. Are there any inclusions or is it clean all through?. Also is the color or texture the same outside and inside? $\endgroup$ – Armondo Villaescuza Sep 8 '18 at 21:33
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It is most likely a piece of glass. By its appearance and density, it might be leaded glass.

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