Zastosowanie w praktyce badawczej surowców mineralnych ilościowej skali twardości minerałów opracowanej przez M.M. Chruszczowa

Abstract

APPLICATION OF QUANTITATIVE SCALE OF MINERAL HARDNESS ELABORATED BY M. M. KHRUSHTSHEV Summary The present article deals with the application of quantitative, 15-grande hardness scale of minerals, elaborated by M. M. Khrushtshev. The scale is based on the quantitative measurements of mineral hardness using microhardness testers.