Local relaxation around [6]Cr3+ in synthetic pyrope-knorringite garnets, [8]Mg3[6] (AI1-XCrX3+)2 [4]Si3O12, from electronic absorption spectra

Physics and Chemistry of Minerals

Volumn 31, Issue 9, 2004, Pages 650-657

  Taran, M N ^a   Langer, K ^b   Abs Wurmbach, I ^b   Frost, D J ^c   Platonov, A N ^a  

^a Ukrainian Academy of Sciences ^*  (Ukraine)

^b TECHNISCHE UNIVERSITÄT BERLIN   (Germany)

^c UNIVERSITY OF BAYREUTH   (Germany)

Author keywords

Electronic absorption of Cr3+; Garnets; Local properties of 6 Cr3+; Pyrope knorringite

Indexed keywords

COLOR; DATA REDUCTION; DIFFUSION; GARNETS; LIGHT; MAGNESIUM COMPOUNDS; PRESSURE EFFECTS; RADIATION; REFLECTION; SPECTROMETRY; SYNTHESIS (CHEMICAL); TUNGSTEN;

KNORRINGITES; LOCAL SITE RELAXATION; PINK COLOR; TUNGSTEN LAMPS;

CHROMIUM;

ABSORPTION SPECTRUM; GARNET; MINERALOGY;

EID: 10844263207     PISSN: 03421791     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00269-004-0424-9     Document Type: Article

References (33)

1. Abs-Wurmbach I (2001) UV-VIS-NIR-Spektroskopie. In: Amthauer G, Pavićević MK (eds) Physikalisch-chemische Untersuchungsmethoden in den Geowissenschaften. E. Schweizerbart'sche Verlagsbuchhandlung, Stuttgart)
2. 6 (Kosmochlor) im Druckbereich von 1 bar bis 25 kbar bei 800 °C. N Jb Mineral Abh 127: 213-241
3. Abs-Wurmbach I, Langer K, Oberhänsli R (1985) Polarized absorption spectra of single crystals of the chromium-bearing clinopyroxenes kosmochlore and Cr-aegirine augite. N Jb Mineral Abh 152: 293-319
4. Amthauer G (1976) Kristallchemie und Farbe chromhaltiger Granate. N Jb Mineral Abh 126: 158-186
5. Armbruster Th, Geiger CA, Lager GA (1992) Single-crystal X-ray structure study of synthetic pyrope almandine garnets at 100 and 293 K. Am Mineral 77: 512-521
6. Bersuker IB (1996) Electronic structure and properties of transition metal compounds: Introduction to the theory. Wiley, Newyork
7. Burns RG (1993) Mineralogical applications of crystal field theory, 2nd ed. Cambridge University Press, Cambridge
8. Carstens H (1973) The red-green change in chromium-bearing garnets. Contr Mineral Petrol 41: 273-276
9. Dunn T, McClure DS, Pearson RG (1965) Some aspects of crystal-field theory. Harper and Row, New York
10. Galoisy L (1996) Local versus averaged structure around cations in minerals from spectroscopic and diffraction measurements. Phys Chem Miner 23: 217-225
11. 12 at high pressure and its implication to the occurrence of Cr-rich pyrope in the upper mantle. Phys Earth Planet Inter 27: 263-272
12. Ivanov AB (1969) Optics of dispersing media (in Russian). Nauka i Technika, Minsk
13. Judd DB, Wyszecki G, (1975) Color in business, science and industry, 3 ed. Wiley, New York
14. 3+ ions in natural clinopyroxenes. Phys Chem Miner 11: 261-265
15. Kortüm G (1969) Reflectance spectroscopy: Principles, methods, applications. Springer, Berlin, Heidelberg, New York
16. Kortüm G, Oelkrug D (1966) Reflexionsspektren fester Stoffe. Naturwissenschatten 53: 600-609
17. 6], in the crystal structures of oxygenbased solid solutions: Local versus crystal averaging methods. Z Kristallogr 216: 87-91
18. Langer K (2001b) Local polyhedral L-M distances in oxygen based structures from electronic absorption spectroscopy. Bull Liaison SFMC 13: 13-86
19. 3+-centered octahedra in a variety of oxygen-based rockforming minerals. Phys Chem Miner 24: 109-114
20. 3+, extracted from electronic absorption spectra. Z Kristallogr (In press)
21. Lever ABP (1968) Inorganic electronic spectroscopy. Elsevier, Amsterdam
22. xAs random solid solutions. Phys Rev (B) 28: 7130-7140
23. Novak GA, Gibbs GV (1971) The crystal chemistry of the silicate garnets. Am Mineral 56: 791-825
24. Platonov AN, Taran MN, Kharkiv AD, Povarennych AS (1976) On "alexandrite" color of garnets. (in Russian). Dokl AN UkSSR 8: 692-695
25. 3+ in phyllosilicates: Influence of the nature of coordinating ligands and their cationic next neighbours on the crystal field parameters. In: Dyar MD, McCammon C, Schaefer MW (eds). Mineral spectroscopy: A tribute to Roger G. Burns. Geochem Soc Spec Pub 5: 41-48
26. Ringwood AE (1977) Synthesis of pyrope-knorringite solid solution series. Earth Planet Sci Lett 36: 443-448
27. Sobolev NV (1974) Deep-seated inclusions and the problem of upper mantle composition. (in Russian). Nauka, Novosibirsk.
28. Tanabe Y, Sugano S (1954a,b) On the absorption spectra of complex ions, I, II. J Phys Soc Japan 9: 753-766, 767-779
29. 3+ in andradite and epidote at different temperatures and pressures. Eur J Miner 12: 7-15
30. 3+ ion-bearing minerals in the temperature range 77-797 K. Phys Chem Miner 21: 360-372
31. Taran MN, Langer K, Geiger CA (2002) Single-crystal electronic absorption spectroscopy of synthetic chromium-, cobalt-, and vanadium-bearing pyropes at different temperatures and pressures. Phys Chem Miner 29: 362-368
32. Urusov VS (1992) A geometric model of deviations from Vegard's rule. J Solid state Chem 98: 223-236
33. Vegard L (1928) Die Röntgenstrahlen im Dienste der Erforschung der Materie. Z Kistallogr 67: 239-259