Zobrazeno 1 - 10
of 33
pro vyhledávání: '"D. J. M. Bevan"'
Autor:
R. L. Martin, D. J. M. Bevan
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 625:57-69
Publikováno v:
Mineralogical Magazine. 62:121-130
Duftite, PbCu(AsO4)(OH) is orthorhombic, space groupP212121witha= 7.768(1),b= 9. 211(1),c= 5.999(1) Å, Z = 4; the structure has been refined to R = 4.6% and Rw = 6.5% using 640 observed reflections [F> 2σ(F)]. The structure consists of chains of ed
Publikováno v:
Mineralogical Magazine. 61:685-691
The crystal structure of mawbyite, PbFe2(AsO4)2(OH)2 has been refined. The mineral is monoclinic, C2/m with a = 9.066(4), b = 6.286(3) c = 7.564(3) Å, β = 114.857(5)°, Z = 2; the structure has been refined to a conventional R = 4.3% using 361 obse
Publikováno v:
Mineralogical Magazine. 60:805-811
The crystal structure of carminite, PbFe2(AsO4)2(OH)2 has been refined. The mineral is orthorhombic, Cccm with a = 16.591(2), b = 7.580(1), c = 12.285(1) Å, Z = 8; the structure has been refined to a conventional R = 3.3% using 913 observed reflecti
Publikováno v:
Mineralogical Magazine. 58:635-639
Wycheproofite is a new hydrated sodium aluminium zirconium phosphate from a pegmatite vein in granite at Wycheproof, in northwestern Victoria, Australia. The mineral occurs as compact, finely fibrous masses in small cavities in the quartz/feldspar/mu
Publikováno v:
ChemInform. 23
Publikováno v:
ChemInform. 35
Colorless plates of Zr 50 Sc 12 O 118 have been produced by firing zirconia with scandia at temperatures above 1000 °C and cooling slowly. The resulting crystals were heavily twinned. The unit cell is rhombohedral with space group R 3 and lattice co
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 628:1180
Autor:
D. J. M. Bevan
Publikováno v:
Australian Journal of Chemistry. 45:1331
Publikováno v:
Australian Journal of Chemistry. 45:1415
Bi2Te4O11 is monoclinic, space group P21/n; the lattice parameters derived from a Guinier powder pattern ( Si standard) are: a = 6.9909(3), b = 7.9593(3), c = 18.8963(8) � , β = 95.176(3)�, Z = 4, V = 1047.15 �. The structure was solved indepe