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I had expected a reference to fulgurite; instead I learned something new. Thanks! https://en.wikipedia.org/wiki/Fulgurite https://en.wikipedia.org/wiki/Fulguri
by dsr_ 8y ago
I had expected a reference to fulgurite; instead I learned something new. Thanks!
https://en.wikipedia.org/wiki/Fulgurite https://en.wikipedia.org/wiki/Fulgurite