Yangite, PbMnSi3O8·H2O, a new mineral species with double wollastonite silicate chains, from the Kombat mine, Namibia (original) (raw)

Acknowledgments

This study was funded by Science Foundation Arizona. We are grateful to Stefano Merlino for providing us with his unpublished data and Ajit Thakkar for providing us with his electron wave functions. We also thank Merlino and two anonymous reviewers, along with Associate Editor Fernando Colombo, for their comments, which have improved the quality of this manuscript.

References cited

Brese, N.E., and O’Keeffe, M. (1991) Bond-valence parameters for solids. Acta Crystal- lographica, B47, 192-197.10.1107/S0108768190011041Search in Google Scholar

Can, N., Guinea, J.J.G., Kibar, R., and Cetin, A. (2011) Luminescence and Raman characterization of rhodonite from Turkey. Spectroscopy Letters, 44, 566-569.10.1080/00387010.2011.610656Search in Google Scholar

Downs, R.T. (2003) Topology of the pyroxenes as a function of temperature, pressure, and composition as determined from the procrystal electron density. American Mineralogist, 88, 556-566.10.2138/am-2003-0409Search in Google Scholar

Downs, R.T., Bartelmehs, K.L., Gibbs, G.V., and Boisen, M.B. Jr. (1993) Interactive software for calculating and displaying X-ray or neutron powder diffractometer patterns of crystalline materials. American Mineralogist, 78, 1104—1107.Search in Google Scholar

Downs, R.T., Gibbs, G.V., Boisen, M.B. Jr., and Rosso, K.M. (2002) A comparison of procrystal and ab initio representations of the electron-density distributions of minerals. Physics and Chemistry of Minerals, 29, 369-385.10.1007/s00269-001-0236-0Search in Google Scholar

Dowty, E. (1987) Vibrational interactions of tetrahedra in silicates glass and crystals: II. Calculations on melilites, pyroxenes, silica polymorphs and feldspars. Physics and Chemistry of Minerals, 14, 122-138.10.1007/BF00308216Search in Google Scholar

Dunn, PJ. (1991) Rare minerals of the Kombat Mine. Mineralogical Record, 22, 421-424.Search in Google Scholar

Frost, R.L., Mahendran, M., Poologanathan, K., and Xi, F. (2012) Raman spectroscopic study of the mineral xonotlite Ca6Si6O17(OH)2̶A component of plaster boards. Materials Research Bulletin, 47, 3644-3649.10.1016/j.materresbull.2012.06.047Search in Google Scholar

Haile, S.M., and Wuensch, B.J. (1997) Comparison of the crystal chemistry of selected MSi6O15-based silicates. American Mineralogist, 82, 1141-1149.10.2138/am-1997-11-1212Search in Google Scholar

Haile, S.M., and Wuensch, B.J. (2000) Structure, phase transitions and ionic conductivity of K3NdSi6O15·xH2O.I. α-K3NdSi6O15·2H2O and its polymorphs. Acta Crytallographica, B56, 335-345. 2000 Structure, phase transitions and ionic conductivity of K3NdSi6O15·2H2O.I. α-K3NdSi6O15·2H2O and its polymorphs Acta Crytallographica B56 335-345Search in Google Scholar

Innes, J., and Chaplin, R.C. (1986) Ore bodies of the Kombat Mine, South West Africa/ Namibia. In C.R.Anhaeusser and S. Maske, Eds., Mineral Deposits of South Africa, vol. 1 and 2, p. 1789-1805. Geological Society of South Africa, Johannesburg, Republic of South Africa.Search in Google Scholar

Koga, T., Kanayama, K., Watanabe, T., and Thakkar, A.J. (1999) Analytical Hartree-Fock wave functions subject to cusp and asymptotic constraints: He to Xe, Li+ to Cs+, H- to I-. International Journal of Quantum Chemistry, 71, 491^97.10.1002/(SICI)1097-461X(1999)71:6<491::AID-QUA6>3.0.CO;2-TSearch in Google Scholar

Koga, T., Kanayama, K., Watanabe, T, Imai, T., and Thakkar, A.J. (2000) Analytical Hartree-Fock wave functions for the atoms Cs to Lr. Theoretical Chemistry Accounts, 104, 411-413.10.1007/s002140000150Search in Google Scholar

Makreski, P., Jovanovski, G., Gajovic, A., Biljan, T., Angelovski, D., Jacimovic, R. (2006) Minerals from Macedonia. XVI. Vibrational spectra of some common appearing pyroxenes and pyroxenoids. Journal of Molecular Structure, 788, 102-114.10.1016/j.molstruc.2005.11.024Search in Google Scholar

Merlino, S. (1983) Okenite, Ca10Si18O46·18H2O: the first example of a chain and sheet silicate. American Mineralogist, 68, 614—622.Search in Google Scholar

Merlino, S., and Bonaccorsi, E. (2008) Double wollastonite chains: Topological/ conformational varieties, polytypic forms, isotypic compounds. Zeitschrift fϋr Kristallographie, 223, 85-97.10.1524/zkri.2008.0006Search in Google Scholar

Mills, S.J., Ray L. Frost, R.L., Kloprogge, J.T., and Weier, M.L. (2005) Raman spectroscopy of the mineral rhodonite. Spectrochimica Acta, 62, 171—175.10.1016/j.saa.2004.12.022Search in Google Scholar

Radik, S., and Kahlenberg, V. (2001) Single crystal structure investigation of twinned NaKSi2O5̶a novel sinlge layer silicate. Solid State Sciences, 3, 659-667.10.1016/S1293-2558(01)01183-9Search in Google Scholar

Radik, S., Kahlenberg, V, and Schmidt, B.C. (2003) High-pressure mixed alkli disli- cates in the system Na2-xKxSi2O5: Hydrothermal synthesis and crystal structures of NaKSi2O5-II and Na0.67K1.33Si2O5. Zeitschrift fϋr Kristallographie, 218, 413-420.Search in Google Scholar

Robinson, K., Gibbs, G.V, and Ribbe, PH. (1971) Quadratic elongation, a quantitative measure of distortion in coordination polyhedra. Science, 172, 567-570.10.1126/science.172.3983.567Search in Google Scholar PubMed

Sheldrick, G.M. (2008)A short history of SHELX. Acta Crystallographica, A64, 112-122.10.1107/S0108767307043930Search in Google Scholar PubMed

Thakkar, A.J., and Koga, T. (2003) Analytic Hartree-Fock wave functions for atoms and ions. In E.J. Brändas and E.S. Kryachko, Eds., Fundamental World of Quantum Chemistry: A tribute to the memory of Per-Olov Löwdin, vol. I, p. 587-599. Kluwer, Dordrecht.10.1007/978-94-010-0113-7_22Search in Google Scholar

Thompson, R.T., Yang, H., and Downs, R.T. (2016) Ideal wollastonite and the relationship between the pyroxenoids and pyroxenes. American Mineralogist, 101, 2544-2553.10.2138/am-2016-5683Search in Google Scholar

Wierzbicka-Wieczorek, M., Kolotsch, U., Nasdala, L., and Tillmanns, E. (2010) K2.9Rb0.1ErSi3O9: a novel, non-centrosymmetric chain silicate and its crystal structure. Mineralogical Magazine, 74, 979-990.10.1180/minmag.2010.074.6.979Search in Google Scholar