The arrojadite enigma: I. A new formula and a new model for the arrojadite structure

American Mineralogist

Volumn 91, Issue 8-9, 2006, Pages 1249-1259

  Cámara, Fernando ^a   Oberti, Roberta ^a   Chopin, Christian ^b   Medenbach, Olaf ^c  

^a CNR   (Italy)

^b LABORATOIRE DE GÉOLOGIE   (France)

^c RUHR UNIVERSITY BOCHUM   (Germany)

Author keywords

Analysis (chemical); Arrojadite; Arrojadite (KNa); Arrojadite (SrFe); Crystal structure; Dickensonite (KMnNa); New minerals; Optical properties; Raman spectroscopy; XRD data

Indexed keywords

CRYSTAL CHEMISTRY; ELECTRON PROBE MICROANALYSIS; OPTICAL PROPERTIES; POSITIVE IONS; RAMAN SPECTROSCOPY; SILICON;

ANALYSIS (CHEMICAL); ARROJADITE; ARROJADITE-(KNA); ARROJADITE-(SRFE); DICKENSONITE-(KMNNA); NEW MINERAL;

CRYSTAL STRUCTURE;

ARROJADITE; CRYSTAL CHEMISTRY; CRYSTAL STRUCTURE; ELECTRON PROBE ANALYSIS; NEW MINERAL;

EID: 33748574906     PISSN: 0003004X     EISSN: None     Source Type: Journal    
DOI: 10.2138/am.2006.2189     Document Type: Article

References (20)

1. Brown, I.D. and Altermatt, D. (1985) Bond-valence parameters obtained from a systematic analysis of the Inorganic Crystal Structure Database. Acta Crystallographica, B41, 244-247.
2. Brush, G.J. and Dana, E.S. (1878) On a new and remarkable mineral locality in Fairfield County, Connecticut; with a description of several new species occurring there. American Journal of Science, 16, 33-46; 114-123.
3. Brush, G.J., Dana, E.S., and Wells, H.L. (1890) On the mineral locality at Branchville, Connecticut: fifth paper; with analyses of several manganesian phosphates. American Journal of Science, 39, 201-216.
4. Busing, W.R., Martin, K.O., and Levy, H.A. (1962) Report ORNL-TM-305,75 p. Oak Ridge National Laboratory, Tennessee.
5. Chopin, C., Oberti, R., and Cámara, F. (2006) The arrojadite enigma: II. Compositional space, new members and nomenclature of the group. American Mineralogist, 91, 1260-1270.
6. 12, a new Ba-rich member of the arrojadite group from Spluga valley, Italy. Canadian Mineralogist, 34, 827-834.
7. Ek, R. and Nysten, P. (1990) Phosphate mineralogy of the Hålsjöberg and Hökensås kyanite deposits. Geologiska Föreningens i Stockholm Förhandlingar, 112, 9-18.
8. Fleischer, M., Wilcox, R.E., and Matzko, J.J. (1985) Microscopic determination of the nonopaque minerals. USGS Bulletin 1627.
9. Henriques, A. (1956) An iron-rich wagnerite, formerly named talktriplite, from Hållsjöberget (Horrsjöberget), Sweden. Arkiv för Mineralogi och Geologi, 2(6), 149-153.
10. Hummicki, D.M.C. and Hawthorne, F.C. (2002) The crystal chemistry of the phosphate minerals. In M.L. Kohn, J. Rakovan, and J.M. Hughes, Eds., Phosphates: geochemical, geobiological, and materials importance, 48, 123-254. Reviews in Mineralogy and Geochemistry, Mineralogical Society of America, Chantilly, Virginia.
11. 4)2. Journal of Solid State Chemistry, 129, 341-345.
12. Krutik, V.M., Pushcharovskii, D.Yu., Pobedimskaya, E.A., and Belov, N.V. (1979) Crystal structure of arrojadite. Kristallografiya, 24, 743-750.
13. 2. Acta Crystallographica, B37, 1733-1736.
14. 12: crystal structure and crystal chemistry. American Mineralogist, 66, 1034-1049.
15. Robinson, G.W., van Velthuizen, J., Ansell, H.G., and Sturman, B.D. (1992) Mineralogy of the Rapid Creek and Big Fish River area, Yukon Territory. Mineralogical Record, 23, 1-47.
16. Shainin, V.E. (1946) The Branchville, Connecticut, pegmatite. American Mineralogist, 31, 329-345.
17. Steele, I.M. (2002) Arrojadite: variations in space group and composition based on four new refinements. 18th IMA General Meeting, Edinburgh, Abstracts, MO2-117.
18. Stormer, J.C., Pierson, M.L., and Tacker, R.C. (1993) Variation of F and Cl X-ray intensity due to anisotropic, diffusion in apatite during electron microprobe analysis. American Mineralogist, 78, 641-648.
19. van Achterbergh, E., Ryan, C.G., Jackson, S.E., and Griffin, W.L. (2001) Data reduction software for LA-ICP-Ms. In P.J. Sylvester, Ed., Laser Ablation ICPMS in the Earth Sciences: Principles and Applications, 29, 239-243. Mineralogical Association of Canada, Short Course Series, Ottawa.
20. 2. Vestnik Moskovovskogo Universiteta, Seriya Geologiya, 1986, 36-47.