Tetragonal Almandine, (Fe,Mg,Ca,Na)3(Al,Si,Mg)2Si3O12, a New High-Pressure Mineral from the Shergotty Impact on Mars: an Integrated FESEM-EPMA-Synchrotron Diffraction Investigation

Chi Ma, California Institute of Technology, Pasadena, CA, United States and Oliver D Tschauner, University of Nevada Las Vegas, Las Vegas, NV, United States