"Tektites" are interestingly shaped pieces of glass which were originally part of the Earth but were turned molten hot and ejected into space by some cataclysmic event, probably a meteor impact in the past, becoming molten blobs which later underwent re-entry, giving them strikingly interesting shapes.
The one that I have here right now is small but quite detailed and its surface is pristine, but its also quite difficult to photograph well because its shiny.
The webcam photo will have to do for now (or at least until I have had my morning coffee).
Here is a paper which describes them.
https://repository.si.edu/bitstream/handle/10088/823/SCES-0017.pdfAnyway, I think they are kind of neat. They are heavy for their size, smooth and make good objects to use when one needs a 3d object.
I guess I am curious if any of you have ever found any while hiking. It seems that their incidence varies with most of them to date having been found in the southern parts of Australia but there are other fields that seem to have come from the same or similar impacts in a wide area that extends several thousand kilometers north (and both eastward and westward)
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