Owing to the importance of urinary stones as one of the biominerals in the human body, it is necessary to investigate their chemical composition and mineralogy. In this matter, a mineralogical study using X-ray diffraction and scanning electron microscopy indicated that urinary stones in Lorestan Province were divided into 5 groups of calcium oxalate, urate, cysteine, phosphate and mixed stones (Whewellite, uric acid, phosphate). In this regard, the microscopic studies revealed that Whewellite was the most important mineral phase among various phases. In the following, the major and rare elements of each group were determined by inductively coupled plasma mass spectrometry (ICP-MS) and X-ray fluorescence analysis. The obtained results demonstrated that Ca was found the most abundant element in urinary stones. In the analysis results of the major oxides, compared to other major oxides, CaO had the highest frequency in urinary stones. The reason was due to the role of calcium in most of the basic functions in cell metabolism. The average values of isotope ¹³C and ¹⁶O in the studied urinary stones were obtained − 33.71 and − 20.57, respectively. Overall, the values of ¹³C isotope in urinary stones were lower than those in the similar stones and human hard tissues in other countries.

由于尿路结石作为人体生物矿物质之一的重要性，有必要研究其化学成分和矿物学。对此，通过X射线衍射和扫描电镜的矿物学研究表明，洛雷斯坦省的泌尿系结石分为草酸钙、尿酸盐、半胱氨酸、磷酸盐和混合结石（微晶石、尿酸、磷酸盐）5组。在这方面，显微研究表明，惠威石是各相中最重要的矿物相。下面分别采用电感耦合等离子体质谱（ICP-MS）和X射线荧光分析法测定各组的主要元素和稀有元素。所得结果表明，钙是泌尿系结石中含量最高的元素。在主要氧化物的分析结果中，与其他主要氧化物相比，CaO在泌尿系结石中的出现频率最高。原因在于钙在细胞代谢的大部分基本功能中的作用。同位素平均值所研究的泌尿系结石中的¹³ C 和¹⁶ O 分别为 - 33.71 和 - 20.57。总体而言，泌尿系结石中的¹³ C同位素值低于其他国家的同类结石和人体硬组织中的¹³ C同位素值。