Fall 2008

Gemological Abstracts

COLORED STONES AND ORGANIC MATERIALS
Production of designer mabe pearls in the black-lipped pearl oyster, Pinctada margaritifera, and the winged pearl oyster, Pteria penguin, from Andaman and Nicobar Islands, India. V. Kripa, K. J. Abraham, C. L. Libini, T. S. Velayudhan, P. Radhakrishnan, K. S. Mohamed, and M. J. Modayil, Journal of the World Aquaculture Society, Vol. 39, No. 1, 2008, pp. 131–137.

A spectrophotometric study of the thermal colour change of tanzanite. G. Pearson [grantpearson@optusnet.com.au], Australian Gemmologist, Vol. 23, No. 2, 2008, pp. 254–265.

What is vegetable ivory? M. C. Pedersen [info@maggiecp.com], Organic Gems, No. 8, March 2008, www.maggiecp.co.uk/subs/what_is_vegetable_ivory.htm.

DIAMONDS
Argyle type Ia pink diamonds: Gemmological properties, FTIR, UV-Vis and CL features. V. Rolandi, A. Brajkovic [anna.brajkovic@unimib.it], I. Adamo, and I. Fontana, Australian Gemmologist, Vol. 23, No. 1, 2008, pp. 194–203.

Diamond formation in the system MgO–SiO2–H2O–C at 7.5 GPa and 1,600°C. A. G. Sokol [sokola@uiggm.nsc.ru] and Yu. N. Pal’yanov, Contributions to Mineralogy & Petrology, Vol. 155, No. 1, 2008, pp. 33–43.

Diamonds and associated heavy minerals in kimberlite: A review of key concepts and applications. T. E. Nowicki, R. O. Moore, J. J. Gurney, and M. C. Baumgartner, Developments in Sedimentology, Vol. 58, 2007, pp. 1235–1267.

Distribution of diamond contents as reflecting the self-organization processes in kimberlites of Catoca pipe (Angola). V. N. Dech [agat@bp2956.spb.edu], V. N. Zinchenko, and V. A. Glebovitsky, Proceedings of the Russian Mineralogical Society, Vol. 137, No. 1, 2008, pp. 11–21 [in Russian with English abstract].

Evaluation of brilliance, fire, and scintillation in round brilliant gemstones. J. Sasian [jose.sasian@optics.arizona.edu], J. Quick, J. Sheffield, J. Caudill, and P. Yantzer, Optical Engineering, Vol. 46, No. 9, 2007, pp. 093604-1–093604-25.

Gem diamonds: Causes of color. H. Kitawaki [h-kitawaki@gaaj-zenhokyo.co.jp], New Diamond and Frontier Carbon Technology, Vol. 17, No. 3, 2007, pp. 119–126.

Hydrogen-related optical centers in natural diamond: An update. E. Fritsch [emmanuel.fritsch@cnrs-imn.fr], T. Hainschwang, L. Massi, and B. Rondeau, New Diamond and Frontier Carbon Technology, Vol. 17, No. 2, 2007, pp. 63–89.

The ordered creation of paramagnetic defects at plastic deformation of natural diamonds. R. M. Mineeva [mineeva@igem.ru], A. V. Speransky, S. V. Titkov, and N. G. Zudin, Physics and Chemistry of Minerals, Vol. 34, No. 2, 2007, pp. 53–58.

GEM LOCALITIES
Minerals of the Lipovka granite pegmatites, central Urals, Russia. I. V. Pekov and L. R. Memetova, Mineralogical Almanac, Vol. 13, 2008, pp. 7–44.

Role of basin-wide landslides in the formation of extensive alluvial gemstone deposits in Sri Lanka. A. Gunatilaka [gunat@asianet.lk], Earth Surface Processes and Landforms, Vol. 32, No. 12, 2007, pp. 1863–1873.

Some observations on the composition and origin of opals from Java. H. C. Einfalt [hcv.einfalt@gmx.de], Journal of Gemmology, Vol. 30, No. 7/8, 2007, pp. 383–398.

INSTRUMENTS AND TECHNIQUES
Applications of diamond crystal ATR FTIR spectroscopy to the characterization of ambers. M. Guiliano [michel.guiliano@univ-cezanne.fr], L. Asia, G. Onoratini, and G. Mille, Spectrochimica Acta A, Vol. 67, No. 5, 2007, pp. 1407–1411.

PIXE and ionoluminescence for Mesoamerican jadeite characterization. J. L. Ruvalcaba-Sil, L. Manzanilla, E. Melgar, and R. L. Santa-Cruz, X-Ray Spectrometry, Vol. 37, No. 2, 2008, pp. 96–99.

JEWELRY RETAILING
Place your Bidz. Retail Merchandiser, Vol. 48, No. 1, 2008, pp. 38–40.

PRECIOUS METALS
Colorizing metals with femtosecond laser pulses. A. Y. Vorobyev and C. Guo [guo@optics.rochester.edu], Applied Physics Letters, Vol. 92, 2008, pp. 041914-1–041914-3.

SYNTHETICS AND SIMULANTS
Nonuniform distributions of color and luminescence of diamond single crystals. H. Kanda [kanda.hisao@nims.go.jp], New Diamond and Frontier Carbon Technology, Vol. 17, No. 2, 2007, pp. 105–116.

TREATMENTS
Color centers in topaz: Comparison between neutron and gamma irradiation. K. Krambrock [klaus@fisica.ufmg.br], L. G. M. Ribeiro, M. V. B. Pinheiro, A. S. Leal, M. Â. de B. C. Menezes, and J. M. Spaeth, Physics and Chemistry of Minerals, Vol. 34, 2007, pp. 437–444.

Diagnostics of natural and synthetic diamonds with the aid of low-temperature optical spectroscopy. R. S. Serov and M. A. Viktorov, Moscow University Geology Bulletin, Vol. 62, No. 1, 2007, pp. 46–48.

Features of low-temperature optical absorption spectra of natural and treated diamonds. R. S. Serov and M. A. Viktorov, Moscow University Geology Bulletin, Vol. 62, No. 2, 2007, pp. 127–130.

HPHT annealing of natural diamond. F. de Weerdt [fdw@euphontnet.be] and A. T. Collins, New Diamond and Frontier Carbon Technology, Vol. 17, No. 2, 2007, pp. 91–103.

Optical centres produced in diamond by radiation damage. A. T. Collins [alan.collins@kcl.ac.uk], New Diamond and Frontier Carbon Technology, Vol. 17, No. 2, 2007, pp. 47–61.

MISCELLANEOUS
Africa wants to cut its own diamonds. F. Misser, The Courier, No. 4, January-February 2008, pp. 27–28.

Conflict diamonds: Still threatening. F. Misser and O. Vallée, The Courier, No. 1, July-August 2007, pp. 31–32.

The diamond industry as a virtual organization: Past success and challenging future. E. I. Mostovicz, N. K. Kakabadse [nada.kakabadse@northhampton.ac.uk], and A. P. Kakabadse, Strategic Change, No. 16, 2007, pp. 371–384.