Steve Schoner wrote: "Here is a very interesting PBS article on carbonados.
http://www.pbs.org/wgbh/nova/diamond/sky2.html " Also look at: Kagi, H. and S. Fukura, 2008, Infrared and Raman spectroscopic observations of Central African carbonado and implications for its origin. European Journal of Mineralogy. vol. 20, no. 3, pp. 387-393, DOI: 10.1127/0935-1221/2008/0020-1817 http://eurjmin.geoscienceworld.org/cgi/content/abstract/20/3/387 McCall, G.J.H., 2009, The carbonado diamond conundrum. Earth-Science Reviews. vol. 93, no. 3-4, pp. 85–91. http://dx.doi.org/10.1016/j.earscirev.2009.01.002 Yokochi, R., D. Ohnenstetter, and Y. Sano, 2008, Intragrain Variation in g13C And Nitrogen Concentration Associated with Textural Heterogeneities of Carbonado. The Canadian Mineralogist. vol. 46, no. 5, pp. 1283-1296, DOI: 10.3749/canmin.46.5.1283 http://canmin.geoscienceworld.org/cgi/content/abstract/46/5/1283 Diamonds, II: Diamond and Carbonado: Crystal Habits and Surface Morphology http://www.turnstone.ca/diamond2.htm yours, Paul H. ______________________________________________ http://www.meteoritecentral.com Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list

