The crystal structure of SFCA-I, Ca3.18Fe3+14.66Al1.34Fe 2+0.82O28, a homologue of the aenigmatite structure type, and new crystal structure refinements of β-CFF, Ca2.99Fe3+14.30Fe2+ 0.55O25

Neues Jahrbuch fur Mineralogie, Abhandlungen

Volumn 173, Issue 1, 1998, Pages 93-117

  Mumme, W G ^a   Clout, J M F ^a   Gable, R W ^b  

^a CSIRO   (Australia)

^b UNIVERSITY OF MELBOURNE   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0002378817     PISSN: 00777757     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (24)

1. 25. - Sov. Phys. Dokl. 28: 12, 979-980.
2. 25 (γ-CFF phase). - Sov. Phys. Crystallogr. 32: 1, 31-32.
3. BONACCORSI, E., MERLINO, S. & PASERO, M. (1990): Rhonite: structural and microstructural features, crystal chemistry and polysomatic relationships. - Eur. J. Miner. 2: 203-218.
4. 5 and its relation to the nuclear electric field gradient at the iron sites. - Acta Crystallog. B26: 1469-1473.
5. 20], a new member of the aenigmatite group from a pyrometamorphic melt-rock. - Amer. Miner. 73: 1440-1448.
6. DA COSTA, E. & COHEUR, J. P. (1995): Association of calcium ferrites in iron ore sinter with aenigmatites. - Ironmaking and Steelmaking 22: 223-226.
7. DA COSTA, E., COHEUR, J. P., VANDERHEYDEN, B. & MUNNIX, R. (1995): Slag formation in the adhering layer of granules and its reaction with nuclei in iron ore sintering. - ISIJ International 35, 2: 138-147.
8. DAWSON, P. R., OSTWALD, J. P. & HAYES, K. M. (1983): Calcium ferrites in the new low silica sintering technology. - BHP technical bulletin 27: 1, 47-51.
9. DECKER, B. F. & KASPER, J. S. (1957): The structure of calcium ferrite. - Acta Crystallog. 10: 332-337.
10. 4+n (n = 1,2,3): nouvel example d'intercroissance. - J. Solid State Chem. 35: 112-119.
11. GRICE, J. D. & ROBERTS, A. C. (1993): Harrisonite, a well-ordered silico-phosphate with a layered crystal structure. - Can. Miner. 31: 781-785.
12. 3) system. - N. Jb. Miner. Abh. 161: 1-26.
13. HANCART, J., LEROY, V. & BRAGARD, A. (1967): A study of the phases present in blast furnace sinter. Some considerations on the mechanism of their formation. -C.N.R.M. Report DS 24/67.
14. HILL, R. J. & HOWARD, C. J. (1986): A computer program for Rietveld analysis of fixed wavelength X-ray and neutron powder diffraction patterns. - Aust. Atomic Energy Commission Report No. M112, Lucus Heights Res. Lab., NWS, Australia.
15. 25 (α-CFF-phase). - Sov. Phys. Crystallogr. 32: 28-30.
16. 4. - Mat. Res. Bull. 17: 795-800.
17. MERLINO, S. (1972): X-ray crystallography of krinovite. - Z. Krist. 130S: 214-230.
18. 7. - Mat. Res. Bull. 21: 985-994.
19. MOORE, P. B. (1969): The crystal structure of sapphirine. - Amer. Miner. 54: 31-49.
20. _ (1973): Bracelets and pinwheels: a topological-geometrical approach to the calcium orthosilicate and alkali sulphate structures. - Amer. Miner. 58: 32-42.
21. 20 (SFCA) with aenigmatite group minerals and sapphirine. - N. Jb. Miner. Mh. 1988: 359-366.
22. MUMME, W. G., HILL, R. J., BUSHNELL-WYE, G. & SEGNIT, E. R. (1995): Rietveld crystal structure refinements, crystal chemistry and calculated powder diffraction data for the polymorphs of dicalcium silicate and related phases. - N. Jb. Miner. Abh. 169: 35-68.
23. SHELDRICK, G. M. (1976): SHELX-76. Program for crystal structure determination. -University of Cambridge, Cambridge, England.
24. _ (1985): SHELXS-86, see SHELDRICK, G. M., KRUGER, C. & GODDARD, R. (Eds.): Crystallographic Computing 3. - Oxford University Press, pp. 175-189.