Captured at 7.5 and 8 million fps with a Kirana camera. This is a one point impact test used to determine the dynamic flexural strength. Courtesy of Dvir Blumer and Eden Promushkin, the Dynamic Fracture Laboratory, Technion, Haifa, Israel.
https://www.youtube.com/watch?v=mhce_sEyk60&feature=youtu.be
https://www.youtube.com/watch?v=wFYQ6WGzgM0&feature=youtu.be