Browsing by Author "Joswig W."

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Coexisting 3T and 2M1 megacrysts of titanium oxybiotite in Shavaryn-Tsaram basalt (Mongolia)

Koval P.V.; Sapozhnikov A.N.; Joswig W. (1988)

The Quaternary Shavaryn-Tsaram volcano (central Mongolia) is one of the richest known repositories of mantle nodules and megacrystals. Magnesial biotite, rhombic pyroxene, pyrope, sanidine and ilmenite have been found in ...
HIGH-TEMPERATURE CRYSTAL STRUCTURE OF WAIRAKITE

Seryotkin Y.V.; Belitsky I.A.; Fursenko B.A.; Joswig W.; Bakakin V.V. (2003)

Single crystal X-ray structure data have been obtained for wairakite (Wairakei, New Zealand), Ca0.95Na0.06[Al1.96Si4.04O12].2H(2)O, at temperatures of 20degreesC, 170degreesC, 210degreesC, 400degreesC, and 600degreesC. ...
SYMMETRY REDUCTION OF THE ALUMINOSILICATE FRAMEWORK OF LAU TOPOLOGY BY ORDERING OF EXCHANGEABLE CATIONS: THE CRYSTAL STRUCTURE OF PRIMARY LEONHARDITE WITH A PRIMITIVE BRAVAIS LATTICE

Baur W.H.; Joswig W.; Fursenko B.A.; Belitsky I.A. (1997)

Primary leonhardite, Ca2.55K1.59Na1.24Fe0.03Al 8.19Si15.87O48 · 13.93H2O, with a primitive Bravais lattice, is a leonhardite that cannot be hydrated and is not formed by the dehydration of laumontite. It crystallizes in ...

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