impact glass meteorite or volcanic glass?

[love2velo]

curious to get your opinion on this - is it impact glass or simple terrestrial glass found in UP of Michigan

 

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[pat-tekker-cat]

I don't know, but it's really pretty! Does the green appear to be peridot color?
If you have a gold buyer or jeweler close by that has a spectrometer machine thingy, they can put it in there and tell you it's composition. If it has traces of iridium, most likely from outer space.
Hope others (with far more knowledge than me) will chime in soon. Thanks for sharing.