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...a strange theory involving a previously uknown phenomenon.
Originally posted by obsidian468
I highly doubt it's related to the Tunguska event, as that was in the early 20th century, and often attributed to a test firing of Tesla's "Death Ray" device into uninhabited territory.
Fact is, any volcanic eruption or meteor impact can generate the temperatures needed to turn raw materials into glass. There's any number of possibilities for the origin of this gem.
It's still interesting, though.
Originally posted by nazgarn
Can someone correct me but does lightning striking sand (or in the vicinity) produce glass-like material? Could it be from this occurance?
Just an idea, could be wrong