Also mistaken for fulgurite by the more naturalistically minded, apparently. Maybe most common in the Nordics, based on viking references?
Additional links:
https://www.nationalgeographic.com/science/article/100810-thor-thors-hammer-viking-graves-thunderstones-science
https://fi.wikipedia.org/wiki/Ukonvaaja [Finnish]
The smallest of the three pyramids at Giza has a giant gash down the side because some Muslims tried to tear it down because it was from another religion and Islam is founded primarily on hatred and violence.
They cut the nose off the sphinx!
No that one was obelix