Synthesis, phase composition and microstructure of colored ceramic materials based on diopside

  • 1 Bulgarian Academy of Sciences, Institute of Metal Science, Equipment and Technologies with Hydro and Aerodynamics Centre “Acad. A. Balevski”, Sofia, Bulgaria

Abstract

Experimental ceramic samples were obtained in which the presence of CaMgSi2O6 (predominant phase), MgCr2O4, CaAl2Si2O8 and quartz was detected by X-ray diffraction analysis. During the microscopic examination of the prepared sections, two mineral phases were established: main – clinopyroxene and secondary – green spinel. The presence of prismatic-granular and skeletal structure was found. In the formed dominant diopside phase the presence of numerous inclusions of magnesium-chromium spinel with green color (sizes up to 0,05 mm) was observed evenly distributed in the sections determining the characteristic green color of the samples.

Keywords

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