 | TOMITA, KATSUTOSHI, KOISO, MASATO, YAMAMOTO, MASAHIKO, OBA, NOBORU (1979) Laumontite in an andesite from Kinzan, Satsuma-Cho, Kagoshima Prefecture. The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 74 (12) 443-449 doi:10.2465/ganko1941.74.443 | Journal (article/letter/editorial) | | result, natural dehydration of the laumontite to leonhardite is partially completed. As the dehydration-hydration... properties 4 of as atoms other material region. type for Kinzan and proportions the amounts...by Coombs (1952) laumontite as: laumontite leonhardite a=1.509•}0.002-1.514•}0.002 1.502•}0.002-1.507•}0...analysis automatic rate to As sample laum leonhardite, indices drop content that form refractive...(Liou, 1971). Natural laumontite from Otama, New Zealand (Coombs, 1952). an heating laumontite to |  | | Journal (article/letter/editorial) | | COMPOSITION OF LAUMONTITE AND LEONHARDITE Wrru n Nore oN Rpcrorqlr OccunnBltcps rN NEw ZBaraNo D. S. Coouns,...replacement product of vitric tufis in Southland, New Zealand, and a degradation product of plagioclase under...metamorphic conditions. The well-known partial dehydration of laumontite to yield leonhardite is readily reversible...n-ray data are presented. Cell constants of leonhardite from Hungary are as follows: a:14.75t0.03 A,...are calculated for numerous analyses including two new ones. It is shown that replacement of calcium by |  | | Report (issue) | | NEW ZEALAND DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH NEW ZEALAND GEOLOGICAL SURVEY 125th ANNIVERSARY...1865 -1990 NEW ZEALAND GEOLOGICAL SURVEY BULLETIN 104 ISSN 0077-9628 Minerals of New Zealand by G. L....initials should be G.T., not G.L. Lower Hutt, New Zealand 1990 I I Beach sand, alluvium, • terrace...Figure 1. Simplified geological sketch-map of New Zealand. 0 20 40 60 80 100 KM l INTRODUCTION It...Morgan's "Minerals and Mineral Substances of New Zealand" was published, as NZ. Geological Survey bulletin |  | | Book | | With 218 Figures Springer-Verlag Berlin Heidelberg New York Tokyo Professor Dr. GLAUCO GOTTARDI Professor...requirement. To begin with crystallography, a partially new structural classification has been proposed without...advice, and for their permission to publish some new data. Special thanks are due to Laura Gottardi, who...Wairakite, Viseite, Hsianghualite .. Laumontite, Leonhardite .................. Yugawaralite. . . . . . ....and hence seem to boil. They are very common and well known as fine crystals of hydrothermal genesis in |  | | Book | | years this has lead to the establishment of many new species that are compositional and structural analogs...Subcommittee for Zeolite Nomenclature of the Commission on New Minerals and Mineral Names (CNMMN) of the International...evaluating proposed new species, it is difficult to apply them rigidly to accepted species. 1. A new zeolite mineral...approval of new species. Zeolites that have the same framework and are separated by a well-established...structure are acceptable as separate species. 2. A new zeolite mineral cannot be defined solely on the basis | | | Book | | years this has lead to the establishment of many new species that are compositional and structural analogs...Subcommittee for Zeolite Nomenclature of the Commission on New Minerals and Mineral Names (CNMMN) of the International...evaluating proposed new species, it is difficult to apply them rigidly to accepted species. 1. A new zeolite mineral...approval of new species. Zeolites that have the same framework and are separated by a well-established...structure are acceptable as separate species. 2. A new zeolite mineral cannot be defined solely on the basis |
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