Structural characterization and vibrational studies of human urinary stones from Istanbul, Turkey

•XRD, FT-IR, FT-Ra, EDX, SEM and TG analyses have been performed on Renal Stones.•The crystallite sizes were calculated from the X-ray spectral data.•SEM images and EDX spectra were recorded to investigate morphological and elemental characteristics.•Thermogravimetric analyses have been performed to obtain the decomposition characteristics and organic/inorganic contents of the stones.

Seven human urinary stones were collected from urinary bladders of patients hailing from Istanbul, Turkey. Their XRD, EDX, FT-IR and FT-Raman spectra as well as SEM images have been recorded to determine their chemical compositions, morphologies, crystal structures, and crystallite sizes. XRD and vibrational (FT-IR and FT-Raman) analyses indicate that six out of the seven stones have identical contents. The ratios of organic and inorganic contents of the stones have been determined by their thermogravimetric analyses. The stones have been found to contain calcium oxalate monohydrate and apatite as the major components.

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