| Gaillou, E., Fritsch, E., Aguilar-Reyes, B., Rondeau, B., Post, J., Barreau, A. & Ostroumov, M. (2008) Common gem opal: An investigation of micro- to nano-structure. Am. Miner. 93 1865–1873. |
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| Gaillou, E., Delaunay, A., Rondeau, B., Bouhnik-le-Coz, M., Fritsch, E., Cornen, G. & Monnier, C. (2008) The geochemistry of gem opals as evidence of their origin. Ore Geol. Rev. 34 113–126. |
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| Added by: Laurent Cournède 2016-03-10 21:58:41 |
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| Gauthier, J.-P., Fritsch, E., Bui, T. N. & Fereire, J. (2023) Clues to Understanding the Enigma of the Unusual Asterism in 'Mercedes-Star' Quartz. J. Gemmol. 38 678–695. |
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| Last edited by: Richard Baschera 2023-11-22 10:38:22 |
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| Hainschwang, T., Fritsch, E., Notari, F., Rondeau, B. & Katrusha, A. (2013) The origin of color in natural C center bearing diamonds. Diam. Relat. Mat. 39 27–40. |
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| Added by: Laurent Cournède 2016-03-10 21:23:29 |
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| Hainschwang, T., Notari, F., Fritsch, E., Massi, L., Rondeau, B., Breeding, C. M. & Vollstaedt, H. (2008) HPHT treatment of CO2 containing and CO2-related brown diamonds. Diam. Relat. Mat. 17 340–351. |
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| Added by: Laurent Cournède 2016-03-10 21:58:42 |
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| Hainschwang, T., Notari, F., Fritsch, E. & Massi, L. (2006) Natural, untreated diamonds showing the A, B and C infrared absorptions ("ABC diamonds"), and the H2 absorption. Diam. Relat. Mat. 15 1555–1564. |
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| Added by: Florent Boucher 2016-05-12 13:21:36 |
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| Hainschwang, T., Notari, F. & Fritsch, E. (2015) NATURAL DIAMONDS MISTAKENLY IDENTIFIED AS NPD SYNTHETIC DIAMONDS. Gems & Gemology, 51 331–332. |
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| Added by: Richard Baschera 2016-03-29 08:36:51 |
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| Hainschwang, T., Notari, F., Massi, L., Armbruster, T., Rondeau, B., Fritsch, E. & Nagashima, M. (2010) HIBONITE: A NEW GEM MINERAL. Gems Gemol. 46 135–138. |
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| Added by: Laurent Cournède 2016-03-10 21:37:32 |
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| Hainschwang, T., Karampelas, S., Fritsch, E. & Notari, F. (2013) Luminescence spectroscopy and microscopy applied to study gem materials: a case study of C centre containing diamonds. Mineral. Petrol. 107 393–413. |
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| Added by: Laurent Cournède 2016-03-10 21:23:30 |
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| Hainschwang, T., Fritsch, E., Notari, F. & Rondeau, B. (2012) A new defect center in type Ib diamond inducing one phonon infrared absorption: The Y center. Diam. Relat. Mat. 21 120–126. |
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| Added by: Laurent Cournède 2016-03-10 21:28:40 |
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| Hennebois, U., Delaunay, A., Herreweghe, A., Karampelas, S. & Fritsch, E. (2022) Synthetic sapphire with Rose channels. Gems & Gemology, 58 387–388. |
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| Last edited by: Richard Baschera 2023-02-23 09:10:52 |
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| Hennebois, U., Delaunay, A., Karampelas, S. & Fritsch, E. (2021) Faceted Demantoid Garnet with Spectacular "Horsetail" Inclusions. Gems & Gemology, 57 384. |
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| Last edited by: Richard Baschera 2022-04-08 08:26:21 |
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| Hennebois, U., Delaunay, A., Karampelas, S. & Fritsch, E. (2022) Hyalite with Magnificent Internal Features. Gems & Gemology, 58 66–67. |
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| Last edited by: Richard Baschera 2022-09-29 12:13:49 |
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| Karampelas, S., Hennebois, U., Bersani, D., Delaunay, A. & Fritsch, E. (2023) Disambiguation of pyrope-rich garnet inclusions in coloured sapphires from Tanzania and identification of other inclusions by Raman spectroscopy. Journal of Raman Spectroscopy, 54 1213–1219. |
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| Last edited by: Richard Baschera 2023-11-22 15:37:09 |
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| Karampelas, S., Fritsch, E., Makhlooq, F., Mohamed, F. & Al-Alawi, A. (2019) Raman spectroscopy of natural and cultured pearls and pearl producing mollusc shells. Journal of Raman Spectroscopy, 51 1813–1821. |
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| Last edited by: Richard Baschera 2020-11-12 14:07:54 |
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| Karampelas, S., Michel, J., Zheng-Cui, M., Schwarz, J.-O., Enzmann, F., Fritsch, E., Leu, L. & Krzemnicki, M. S. (2010) X-RAY COMPUTED MICROTOMOGRAPHY APPLIED TO PEARLS: METHODOLOGY, ADVANTAGES, AND LIMITATIONS. Gems Gemol. 46 122–127. |
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| Added by: Laurent Cournède 2016-03-10 21:37:32 |
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| Karampelas, S., Fritsch, E., Zorba, T. & Paraskevopoulos, K. M. (2011) INFRARED SPECTROSCOPY OF NATURAL VS. SYNTHETIC AMETHYST: AN UPDATE. Gems Gemol. 47 196–201. |
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| Added by: Laurent Cournède 2016-03-10 21:32:20 |
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| Karampelas, S., Fritsch, E. & Notari, F. (2008) Natural pearls of the Veneridae family. Gems Gemol. 44 374–375. |
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| Added by: Laurent Cournède 2016-03-10 21:58:40 |
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| Karampelas, S., Fritsch, E., Rondeau, B., Andouche, A. & Metivier, B. (2009) IDENTIFICATION OF THE ENDANGERED PINK-TO-RED STYLASTER CORALS BY RAMAN SPECTROSCOPY. Gems Gemol. 45 48–52. |
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| Added by: Laurent Cournède 2016-03-10 21:41:24 |
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| Karampelas, S., Fritsch, E., Gauthier, J.-P. & Hainschwang, T. (2011) UV-VIS-NIR REFLECTANCE SPECTROSCOPY OF NATURAL-COLOR SALTWATER CULTURED PEARLS FROM PINCTADA MARGARITIFERA. Gems Gemol. 47 31–35. |
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| Added by: Laurent Cournède 2016-03-10 21:32:21 |
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| Karampelas, S., Pardieu, V., Mevellec, J.-Y. & Fritsch, E. (2022) Raman Spectroscopy of Zircon Inclusions in Unheated Pink Sapphires from Ilakaka, Madagascar: Opening New Perspectives. Journal of Gemmology, 38 16–18. |
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| Last edited by: Richard Baschera 2022-10-28 09:28:58 |
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| Karampelas, S., Hennebois, U., Mevellec, J.-Y., Pardieu, V., Delaunay, A. & Fritsch, E. (2023) Pink to Purple Sapphires from Ilakaka, Madagascar: Insights to Separate Unheated from Heated Samples. Minerals, 13 704. |
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| Last edited by: Richard Baschera 2023-07-04 07:27:25 |
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| Karampelas, S., Fritsch, E., Mevellec, J.-Y., Sklavounos, S. & Soldatos, T. (2009) Role of polyenes in the coloration of cultured freshwater pearls. Eur. J. Mineral. 21 85–97. |
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| Added by: Laurent Cournède 2016-03-10 21:41:25 |
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| Karampelas, S., Mocquet, B. & Fritsch, E. (2007) Otolith pendant. Gems Gemol. 43 380–381. |
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| Added by: Laurent Cournède 2016-03-10 22:02:28 |
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| Karampelas, S., Fritsch, E., Hainschwang, T. & Gauthier, J.-P. (2011) SPECTRAL DIFFERENTIATION OF NATURAL-COLOR SALTWATER CULTURED PEARLS FROM PINCTADA MARGARITIFERA AND PTERIA STERNA. Gems Gemol. 47 117–117. |
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| Added by: Laurent Cournède 2016-03-10 21:32:20 |
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| Leblan, S., Fritsch, E., Droux, A. & Segura, O. (2015) Canalicules et fractures roses dan une tourmaline de type « Paraiba ». Revue de Gemmologie a.f.g. 9–10. |
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| Added by: Richard Baschera 2019-12-05 09:35:10 |
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| Moelo, Y., Fritsch, E., Gloaguen, E. & Rouer, O. (2020) Polygenic chamosite from a hydrothermalized oolitic ironstone (Saint-Aubin-des-Chateaux, Armorican Massif, France): crystal chemistry, visible-near-infrared spectroscopy (red variety) and geochemical significance. Clay Minerals, 55 83–95. |
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| Last edited by: Richard Baschera 2020-09-30 16:17:36 |
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| Notari, F., Fritsch, E., Caplan, C. & Hainschwang, T. (2018) Boehmite needles in corundum are Rose Channels. Gems & Gemology, 54 257. |
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| Last edited by: Richard Baschera 2021-04-20 10:29:45 |
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| Paris, M., Fritsch, E. & Reyes, B. A. O. (2007) H-1, Si-29 and Al-27 NMR study of the destabilization process of a paracrystalline opal from Mexico. J. Non-Cryst. Solids, 353 1650–1656. |
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| Added by: Laurent Cournède 2016-03-10 22:02:30 |
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| Philippe, M. & Fritsch, E. (2017) Les dislocations dissoutes : Des inclusions pas toujours faciles a identifier. 2nde partie. Revue de Gemmologie a.f.g. 12–16. |
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| Added by: Richard Baschera 2019-12-05 09:49:39 |
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| Philippe, M. & Fritsch, E. (2017) Les dislocations dissoutes : Des inclusions pas toujours faciles a identifier. Revue de Gemmologie a.f.g. 11–22. |
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| Last edited by: Richard Baschera 2019-12-05 09:47:34 |
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| Rondeau, B., Gauthier, J.-P. & Fritsch, E. (2012) COLORED STONES AND ORGANIC MATERIALS. Gems Gemol. 48 306–307. |
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| Added by: Laurent Cournède 2016-03-10 21:28:38 |
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| Rondeau, B., Fritsch, E., LeFevre, P., Guiraud, M., Fransolet, A.-M. & Lulzac, Y. (2006) A Raman investigation of the amblygonite-montebrasite series. Can. Mineral. 44 1109–1117. |
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| Added by: Florent Boucher 2016-05-12 13:21:36 |
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| Rondeau, B., Cenki-Tok, B., Fritsch, E., Mazzero, F., Gauthier, J.-P., Bodeur, Y., Bekele, E., Gaillou, E. & Ayalew, D. (2012) Geochemical and petrological characterization of gem opals from Wegel Tena, Wollo, Ethiopia: opal formation in an Oligocene soil. Geochem.-Explor. Environ. Anal. 12 93–104. |
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| Added by: Laurent Cournède 2016-03-10 21:28:39 |
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| Rondeau, B., Gauthier, J.-P., Mazzero, F., Fritsch, E., Bodeur, Y. & Chauvire, B. (2013) ON THE ORIGIN OF DIGIT PATTERNS IN GEM OPAL. Gems Gemol. 49 138–146. |
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| Added by: Laurent Cournède 2016-03-10 21:23:30 |
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| Rondeau, B., Fritsch, E., Moore, M., Thomassot, E. & Sirakian, J.-F. (2007) On the growth of natural octahedral diamond upon a fibrous core. J. Cryst. Growth, 304 287–293. |
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| Added by: Laurent Cournède 2016-03-10 22:02:30 |
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| Rondeau, B., Fritsch, E., Mazzero, F., Ayalew, D. & Bodeur, Y. (2011) AMAZING PLAY-OF-COLOR OPALS FROM WOLLO, ETHIOPIA-TOWARD A GENETIC MODEL. Gems Gemol. 47 112–112. |
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| Added by: Laurent Cournède 2016-03-10 21:32:20 |
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| Rondeau, B., Fritsch, E., Peucat, J.-J., Nordrum, F. S. & Groat, L. (2008) Characterization of emeralds from a historical deposit: Byrud (Eidsvoll), Norway. Gems Gemol. 44 108–122. |
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| Added by: Laurent Cournède 2016-03-10 21:58:41 |
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| Rondeau, B., Devouard, B., Jacob, D., Roussel, P., Stephant, N., Boulet, C., Molle, V., Corre, M., Fritsch, E., Ferraris, C. & Parodi, G. C. (2019) Lasnierite, (Ca,Sr)(Mg,Fe)(2)Al(PO4)(3), a new phosphate accompanying lazulite from Mt. Ibity, Madagascar: an example of structural characterization from dynamical refinement of precession electron diffraction data on submicrometre sample. European Journal of Mineralogy, 31 379–388. |
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| Last edited by: Richard Baschera 2019-06-12 14:10:26 |
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| Rondeau, B., Chamard-Bois, S., Fritsch, E., Notari, F. & Chauvire, B. (2018) Reverse dichromatism in gem andalusite related to total pleochroism of the Fe2+-Ti4+ IVCT. Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy, 204 611–619. |
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| Last edited by: Richard Baschera 2018-10-04 15:05:35 |
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