Abrasive ability of staurolite mineral concentrate*. use of stavrolit in abrasive pastes and in grinding tools - V. G. Poltoratskij; A. A. Bochechka; V. I. Lavrinenko; O. V. Leshchenko; O. O. Pasichnyj; Ju. P. Ushchapovskij; V. A. Skrjabin; Ju. Solod (Tooling materials science, 2019)