SpaceScientists Baffled by “Alien Mineral” That Acts in a Weird Way When Heated Up Posted on August 20, 2025 by Administrator A strange mineral found in a meteorite does not behave like anything on Earth when it’s heated. In a paper published in the journal Proceedings of the National Academy of Sciences, an international team of researchers detailed the incredible properties of their sample of silica tridymite, an extraterrestrial form of silicon dioxide that was taken from a meteorite that landed in Germany way back in 1724.
