On the conditions of the formation of cancrisilite Na7(Al5Si7O24)(CO3) · 3H2O and «hydroxycancrinite» Na6(Al6Si6O24) · 4H2O (on the basis of data on synthesis)

Мұқаба

Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Рұқсат ақылы немесе тек жазылушылар үшін

Аннотация

Aluminosilicates with a cancrinite-type structure compositionally related to cancrisilite and a Ca-free and CO3 — deficient cancrinite analogue were synthesized and characterized by electron microprobe and HCN-analyses, IR spectroscopy, and powder X-ray diffraction. The empirical formulae of the compounds obtained are H0.05Na6.13[Al4.36Si7.64O24](CO3)0.91 · 2.85H2O and H0.07Na6.19[Al5.53Si6.47O24]· ·(CO3)0.365 · 3.915H2O, respectively. The latter compound is characterized by disordered chains (···Na···H2O)∞ in the narrow channel and a high content of H2O in the wide channel. The conditions for the formation of cancrisilite and carbonate-deficient cancrinite varieties in nature are discussed. It was concluded that supercritical conditions and ultra-agpitic environment contribute to crystallization of cancrisilite.

Толық мәтін

Рұқсат жабық

Авторлар туралы

Nikita Chukanov

Institute of Problem of Chemical Physics of the RAS;Moscow State University

Хат алмасуға жауапты Автор.
Email: nikchukanov@yandex.ru

Doctor of physics and mathematics, chief researcher of the laboratory of kinetics of thermal conversions

Ресей, Chernogolovka, Moscow Region;Moscow

Aleksey Kotel'nikov

D.S. Korzhinskii Institute of Experimental Mineralogy of RAS

Email: kotelnik@iem.ac.ru
Ресей, Chernogolovka, Moscow Region

Igor Pekov

Moscow State University

Email: igorpekov@mail.ru
Ресей, Moscow

Konstantin Van

D.S. Korzhinskii Institute of Experimental Mineralogy of RAS

Email: kvv@iem.ac.ru
Ресей, Chernogolovka, Moscow Region

Әдебиет тізімі

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