Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tsuge Yuta and Shimizu Ichiko and Hatano Naoya and Higaki Masaya and Nakatani Masao,(entry) Steady-state friction coefficients of fluorite (CaF2): Comparison between single crystals and powdered samples,Annual Meeting of the Geological Society of Japan,1348-3935,The Geological Society of Japan,2023,2023,0,15,https://cir.nii.ac.jp/crid/1390299760188475648,https://doi.org/10.14863/geosocabst.2023.0_15