Krinovite, a meteoritic silicate mineral with ideal crystal chemical formula Na2Mg4Cr2[Si6018]02, is triclinic, space group Pbar1, with a = 10.238(4), b = 10.642( 4), c = 8.780(3) Å, alfa = 105.15(3)°, beta = 96.50(4)°, gamma = 125.15(3)°. The crystal structure of krinovite has been refined to R = 0.065, Rw= 0.067 for 1661 independent reflections. Krinovite is a member of the aenigmatite graup, and is characterized by octahedral walls connected through tetrahedral chains with appendices and additional insular octahedra.
The crystal structure of the meteoritic mineral krinovite, NaMg2CrSi3O10
BONACCORSI, ELENA;MERLINO, STEFANO;PASERO, MARCO
1989-01-01
Abstract
Krinovite, a meteoritic silicate mineral with ideal crystal chemical formula Na2Mg4Cr2[Si6018]02, is triclinic, space group Pbar1, with a = 10.238(4), b = 10.642( 4), c = 8.780(3) Å, alfa = 105.15(3)°, beta = 96.50(4)°, gamma = 125.15(3)°. The crystal structure of krinovite has been refined to R = 0.065, Rw= 0.067 for 1661 independent reflections. Krinovite is a member of the aenigmatite graup, and is characterized by octahedral walls connected through tetrahedral chains with appendices and additional insular octahedra.File in questo prodotto:
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