Trigonal and cubic Fe2Si polymorphs (hapkeite) in the eight kilograms find of natural iron silicide – a probably new class of meteorites
![](https://www.impact-structures.com/wp-content/uploads/2019/05/Edenhofer-Fesi.png)
ERNSTSON CLAUDIN IMPACT STRUCTURES – METEORITE CRATERS
Research on impact geology, geophysics, petrology, and impact cratering