我国斜发沸石、丝光沸石的阳离子类型和硅铝比

TYPES OF CATIONS AND THE SiO_2/Al_2O_3 RATIOS OF CLINOPTILOLITE AND MORDENITE DISCOVERED IN CHINA

本文根据大量样品数据,提出划分沸石离子类型的主、次阳离子原则和单离子类型原则。进而对我国几十个矿点的大量随机样品进行分类,结果形成Ca、K、Na三个系列,K-Ca.Ca-K等12种离子类型。同时弄清了我国沸石的特点是以各种Ca型为主,以各种K型居其次。

The investigation of the varieties of cations, the SiO2/Al2O3 ratios and the cation-exchange capacities of zeolites is useful in that a more detailed classification can be made on the basis of the classification of species. Then it can help to further explain the different properties of zeolites from different localities and can be used to guide the applications-Based on previous concepts and according to the actual data of a large amount of samples this paper proposes the major/minor cation principle and the single cation principle for the classification of cationic types of zeolites. Then a large number of random samples from tens of localites in China are classified, which form three series of Ca, K and Na and 12 cationic types of K-Ca, Ca-K etc. It becomes clear that zeolites discovered in China are characterized by the dominance of various Ca types, amounting to about 60%. The K types are in the second place, amounting to about 33%. The most abundant and commonest types of zeolites in China are the K-Ca and Ca-K types.Our resul can also be used to explain some aspects of the geological environments during the zeolitic mineralization at different localities.