Influence of grinding-polishing of natural stone on its shine and lightness shades




stone lightness, Pokostivske granodiorite, grinding-polishing, stone glitter, stone color, stone surface roughness


An important problem of stone processing enterprises is decorativeness control of natural stone products. Among many different methods that allow to change natural stone decorativeness parameters, textured surface finishing is the most common. In the study of products from Pokostivske granodiorite, color and lightness classification was proposed. Depending on the stone surface roughness, a change in the stone lightness and shine was investigated. Using the fine-grained diamond tool, stone sample darkening is achieved by reducing the stone surface roughness. Stone lightness can be adjusted to ensure minimum differences in their future use. Ensuring minimum differences of the polished stone surface is possible for species with the same color and adjusted for a stone with red and blue color (from light to dark); for a stone with blue color (from dark to very dark). In the future, it is important to solve the problem of labeling different types of blocks that will ensure their recognition and selection of the grinding-polishing procedure to provide the desired lightness shade.

Author Biographies

Володимир Ігорович Шамрай, Zhytomyr State Technological University Chernyahovskogo 103, Zhytomi, Ukraine, 10005

Associate professor, Candidate of technical science

The department of open pit named by prof. Bakka M.T.

Валентин Вацлавович Коробийчук, Zhytomyr State Technological University Chernyakhovskogo, 103, Zhitomir, Ukraine, 10005

Ph.D., Associate Professor
Department of mineral deposits them. prof. Bakka M.T.


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How to Cite

Шамрай, В. І., & Коробийчук, В. В. (2014). Influence of grinding-polishing of natural stone on its shine and lightness shades. Eastern-European Journal of Enterprise Technologies, 5(5(71), 56–60.