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在对阿克塞红柳沟温石棉矿床的地质特征分析的基础上,采用XRF、XRD、FT-IR、SEM、TG-DTA等分析测试方法对4个纤蛇纹石样品进行了化学成分、晶体结构、谱学特征、显微形貌与理化性质研究。结果表明:纤蛇纹石样品的主要化学组成为SiO2、MgO,其次含有Al2O3、Fe2O3及少量的NiO等类质同象组分,为典型的斜纤蛇纹石结构,内外羟基伸缩振动和Si-O伸缩振动吸收峰尖锐、分裂明显,纤维形态表现为柔韧的丝状,结构破坏温度在650~700℃,酸蚀量在43.67%~59.89%之间,碱蚀量在2.72%~7.01%之间。矿床地质特征和纤蛇纹石的矿物学特征表明该矿床形成后遭受后期的地球化学作用破坏程度低,与纤蛇纹石共生的矿物较简单,纤蛇纹石纤维表面结构较完善。
Based on the analysis of the geological characteristics of the Hongliugou chrysotile deposit in Aksai, the chemical constituents, crystallographic properties and crystal structure of four chrysotile samples were analyzed by XRF, XRD, FT-IR, SEM and TG-DTA. Structure, Spectral Characteristics, Micromorphology and Physicochemical Properties. The results show that the main chemical composition of chrysotile is SiO2, MgO, followed by Al2O3, Fe2O3 and a small amount of NiO. It is a typical slalom serpentine structure with internal and external hydroxyl stretching vibration and Si -O-stretching vibration has a sharp absorption peak and obvious splitting. The fiber morphology shows a flexible filamentous structure. The structural failure temperature is between 650 and 700 ℃, the acid etching amount is between 43.67% and 59.89%, the alkali etching amount is between 2.72% and 7.01% between. The geological characteristics of the deposit and the mineralogical characteristics of the chrysotile indicate that the deposit suffered low post-geochemical damage during its formation, the minerals coexisted with the chrysotile are simpler, and the surface structure of the chrysotile fiber is more perfect.