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Would you get something brittle like glass or something like granite?

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    $\begingroup$ More like glass, I guess. $\endgroup$ – Ivan Neretin Jan 20 '17 at 10:38
  • $\begingroup$ @IvanNeretin Why? $\endgroup$ – user2277550 Jan 20 '17 at 10:41
  • $\begingroup$ Just my gut feeling. $\endgroup$ – Ivan Neretin Jan 20 '17 at 11:07
  • $\begingroup$ There are many different types and definitions of both sand and glass. See the entries in the respective Wikipedia pages (en.wikipedia.org/wiki/Sand and en.wikipedia.org/wiki/Glass). This should either help you more clearly state what you are asking or maybe even answer your question. $\endgroup$ – airhuff Jan 20 '17 at 11:29
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    $\begingroup$ Well, it depends on the sand. At White Sands National Monument the sand is gypsum. The black sand beaches on Oahu are basalt particles. // Typical sand is mostly quartz particles. Lighting can fuse the sand into a silica glass called fulgurite. Trinitite is the glassy residue left on the desert floor after the plutonium-based Trinity nuclear bomb test. $\endgroup$ – MaxW Jan 20 '17 at 18:52

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