1. Department of Geoscience, University of Wisconsin─Madison, Madison, Wisconsin 53706, United States
2. Department of Earth and Environmental Sciences, Chungbuk National University, Cheongju 28644, Republic of Korea
3. Department of Mechanical Engineering, University of Wisconsin─Madison, Madison, Wisconsin 53706, United States
4. Gemological Institute of America, 5355 Amada Drive, Carlsbad, California 92008, United States
5. GeoSoilEnviroCARS, University of Chicago, Lemont, Illinois 60439, United States
6. Hawaii Institute of Geophysics & Planetology, School of Ocean and Earth Science and Technology, University of Hawaii, Honolulu, Hawaii 96822, United States
7. School of Computing, Australia National University, Canberra, ACT 2601, Australia