青岛海滩砂中的曲晶石(Cyrtolite)晶形完好,除了具有锆石的一般性质外,以富含Th、Y、Yb、Hf、La、Re和Sc等稀有、稀土、放射性元素为特征,是青岛海滩重矿物砂中的重要稀土元素矿物之一。 本文介绍曲晶石的形态、物性参数、X射线粉晶数据、红外光谱和化学成分特点, The crystal form of Cyrtolite in Qingdao beach sand is intact, except that it has the general properties of zircon and is characterized by rare, rare earth and radioactive elements rich in Th, Y, Yb, Hf, La, Re and Sc and is Qingdao Beach heavy mineral sand in one of the important rare earth minerals. This article describes the morphology of quarry, physical parameters, X-ray powder crystal data, infrared spectroscopy and chemical composition characteristics,