Galabova I.2024-07-102024-07-102024-07-102024-07-101979-02-011865-71090932-078410.1515/zna-1979-0220SCOPUS_ID:26444513895https://rlib.uctm.edu/handle/123456789/104Low degrees of removal of K in ion-exchange as well as alterations of relative intensities of (0k0) X-ray reflections under heating have been found for clinoptilolite. These observations are in good accord with the newly provided structural data of clinoptilolite. © 1979, Walter de Gruyter. All rights reserved.enArticle