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- Title
Crystal structure of jinshajiangite from the Norra Kärr complex (Sweden).
- Authors
Rastsvetaeva, R. K.; Chukanov, N. V.; Rozenberg, K. A.
- Abstract
The structure of the mineral jinshajiangite from the Norra Kärr alkaline complex (Sweden) was determined by single-crystal X-ray diffraction and refined to R = 6.7%. The monoclinic unit-cell parameters are a = 5.350(2) Å, b = 6.909(6) Å, c = 20.96(1) Å, β = 99.83(4)°, sp. gr. P2/ m. This mineral is an Fe-rich analogue of surkhobite and perraultite, but it crystallizes in a different space group, and the unit-cell parameters a and b are two times smaller than those of these two minerals. The framework of jinshajiangite from Norra Kärr contains narrow and wide channels, which are occupied by Ca, Na, Ba, and K atoms in an ordered fashion.
- Subjects
MINERALS; X-ray diffraction; OPTICAL diffraction; CRYSTALLIZATION; SPACE groups; ATOMS
- Publication
Crystallography Reports, 2008, Vol 53, Issue 4, p553
- ISSN
1063-7745
- Publication type
Article
- DOI
10.1134/S1063774508040044