Autres gemmes

(andésine, axinite, bénitoïte, béryl , chrysobéryl, corail, CZ, fuchsite, gehlenite, geikielite, grenat, hibonite, jade, lapis-lazuli, lazurite, montebrasite, otolithe, pectolite, péridot, spinelle, serpentine, staurotide, tanzanite, topaze, tourmaline, turquoise, verre, vésuvianite, zircon ...)

 

Feneyrol J., Giuliani G., Ohnenstetter D., Rondeau B., Fritsch E., Fallick A.E., Ichang'I D., Omito E., Rakotondrazafy M., Ranatsenho M., Lallier F. (2014) New typology and origin of tsavorite based on trace-element chemistry. European Journal of Mineralogy, vol. 26, pp. 293-308. doi:10.1127/0935-1221/2014/0026-2367

Ferraris C. Parodi G.C., Pont S., Rondeau B., Lorand J.-P. (2014) Trinepheline and fabriesite: two new mineral species from the jadeite deposit of Tawmaw (Myanmar). European Journal of Mineralogy, vol. 26, pp. 257-265.

Feneyrol J., Giuliani G., Ohnenstetter D., Rondeau B., Fritsch E., Fallick A.E., Ichang'i D., Omito E. (2014) New typology and origin of tsavorite. InColor, summer 2014, n° 26, pp. 28-34.

Fritsch E., Raoul J., Rondeau B., Segura O. (2013) Gem News International: Demantoid garnet fossil pseudomorphs. Gems & Gemology, vol. 44, n°4, pp. 257-258.

Pradat T., Rondeau B., Fritsch E. (2013) Gem News International: Unusual facetted massive fuchsite. Gems & Gemology, vol. 49, n°4, pp. 183-184.

Fritsch E., Rondeau B. (2012) Les gemmes de l'Etat d'Orissa, au nord-est de l'Inde. Dans : Les gemmes du Gondwana. Les Cahiers du Règne Minéral, n°2, pp. 118-120.

Rondeau B., Fritsch E. (2012) Les gemmes del'Afrique de l'Est : ce qui est Néoprotérozoïque... ou qui ne l'est pas ! Dans : Les gemmes du Gondwana. Les Cahiers du Règne Minéral, n°2, pp. 128-142.

Segura O., Lulzac Y., Fritsch E. (2012) Gem News International: "True" red pulled synthetic spinel from Russia. Gems & Gemology, Vol. , N° 3, pp. 159-160.

Gauthier J.-P., Rondeau B., Pradat T. (2012) Zircon et geikielite artificiellement étoilés du Sri Lanka. Revue de gemmologie a.f.g., vol. 180, pp. 5-11.

Pradat T., Rondeau B., Gauthier J.-P. (2012) Gem News International: Geikielite from Sri Lanka with fake star effect. Gems & Gemology, vol. 48, n°1, p. 69.

Pradat T., Rondeau B., Fritsch E. (2011) Gem News International: Chatoyant quartz with cinnabar inclusions. Gems & Gemology, vol. 47, n°4, pp. 322-323.

Fritsch E., Ionescu C., Simon V., Nagy S., Nagy-Pora K., Rotea M. (2010) Gem News International: 5th century garnet jewelry from RomaniaGems & Gemology , vol. 46, n°4, pp.

Hainschwang T., Notari F., Massi L, Armbruster T., Rondeau B., Fritsch E., Nagashima M. (2010) Hibonite: a new gem mineral from Myanmar. Gems & Gemology, vol. 46, n°2, pp. 135-138.

Rondeau B., Mocquet B., Lulzac Y., Fritsch E. (2009) Les nouveau grenats démantoïdes d’Ambanja, Province d’Antsiranana, Madagascar. Le Règne Minéral, vol. 90, pp. 41-46.

Rondeau B., Fritsch E. Mocquet B., Lulzac Y., (2009) Ambanja (Madagascar)- A new source of gem demantoid garnet. In Color, summer 2009, pp. 22-24.

Mocquet B., Lulzac Y., Rondeau B., Fritsch E., Le Quéré J., Mohamady B., Crenn G., Lamiraud C., Scalie S. (2009) Ambanja, premier gisement d'andradite démantoïde gemme à Madagascar. Revue de Gemmologie a.f.g., vol. 169, pp. 4-8.

Mocquet B., Lulzac Y., Fritsch E., Rondeau B. (2009) Traitement Zachery des turquoises : méthode d’identification simple fondée sur la microchimie. Revue de Gemmologie a.f.g., vol. 168, pp. 4-7.

Rondeau B., Fritsch E., Mocquet B., Lulzac Y. (2009) Gem News International: Some unusual dyed imitations. Gems & Gemology, vol. 45, n°1, pp. 74-75.

Karampelas  S., Fritsch E., Rondeau B., Andouce A., Métivier B. (2009) Identification of the endangered pink-to-red Stylaster corals by Raman spectroscopy. Gems & Gemology, vol. 45, n°1, pp. 48-52.

Fritsch E. , Karampelas S.  (2008) Comment on: Determination of canthaxanthin in the red coral (Corallium rubrum) from Marseille by HPLC combined with UV and MS detection (Cvejic at al. (2007) Mar Biol 152: 855-862). Marine Biology, vol. 154, pp. 929-930.

Fritsch E., Karampelas S. (2008) Comment on “Determination of carotenoid as the purple pigment in Gorgonia ventalina sclerites using Raman spectroscopy” [Leverette et al., Spectrochim. Acta A, 69 (2008) 1058-1061]. Spectrochimica Acta part A: molecular and biomolecular spectroscopy, vol. 71, p. 1627.

Fritsch E., Rondeau B., Mocquet B., Lulzac Y. (2008) Gem News International: “Red andesine” from China: Possible indication of diffusion treatment. Gems & Gemology, vol. 44, n°2, pp. 166-167.

Rondeau B., Fritsch E., Lulzac Y., Mocquet B. (2008) Gem News International: Unusual Glass Imitation of Rubellite. Gems & Gemology, vol. 44, n°2, pp. 186-187.

Fritsch E., Lulzac Y., Rondeau B., (2008) Gem News International: Tourmalines and their imitations obtained in Kandahar, Afghanistan. Gems & Gemology, vol. 44, n°2, pp. 187-188.

Arlabosse J.-M., Rondeau B., Fritsch E. (2008) Gem News International: A blue manganaxinite. Gems & Gemology, vol. 44, n°1, p. 81.

Karampelas S., Gaillou E., Fritsch E., Duman M. (2007) Gem News International : Color-zoned andradite from Iran, with calcite inclusions. Gems & Gemology, vol. 43, n°1, pp. 65-67.

Devouard B., Devidal J.-L., Lulzac Y., Fritsch E., (2007) Gem News International: Pezzotaite from Myanmar. Gems & Gemology, vol. 43, n°1, pp. 70-72.

 Karampelas S., Fritsch E. (2007) Letter to the Editor: pigments in natural-color corals. Gems & Gemology, vol. 43, n° 2, pp. 96-97.

Karampelas S., Mocquet B., Fritsch E. (2007) Gem News International: Otolith pendant. Gems & Gemology, vol. 43 n°4, pp.380-381.

Rondeau B., Delaunay A. (2007) Les tourmalines cuprifères du Nigeria et du Mozambique. Revue de Gemmologie a.f.g., vol. 160, pp.8-13.

Karampelas S., Gaillou E., Fritsch E., Douman M. (2007) Les grenats andradites-demantoides d’Iran : zonage de couleur et inclusions. Revue de Gemmologie a.f.g., n° 160, pp. 14-20.

Rondeau B., Lulzac Y., Fritsch E., Guiraud M., Lefevre P., Fransolet A.-M. (2006) Raman investigation of the amblygonite-montebrasite series. The Canadian Mineralogist, vol. 44, pp. 1109-1117.

Fritsch E. (2004) Les macles de la staurotide, ou un et un font sept (ou peut-être huit)... Le Règne Minéral, No. 56, pp. 37-40.

Fritsch E. (2004) Gem News International: Colored cubic zirconia Buddha carving. Gems & Gemology, vol. 40, n°2, pp. 177.

Gaillou E., Mocquet B., Fritsch E. (2004) Gem News International: A new gem material from Madagascar. Gems & Gemology, vol. 40, n°4, pp. 339-340.

Mocquet B., Lulzac Y., Fritsch E. (2004) Gem News International: Jeremejevite from Madagascar. Gems & Gemology, vol. 40, n°4, pp. 340-341.

Fritsch E., Lulzac Y. (2004) Gem News International: Arizona peridot with unusual inclusions. Gems & Gemology, vol. 40, n°4, pp. 351-352.

Fritsch E. (2003) Gem News International: Chatoyant glass cabochons from China. Gems & Gemology, vol. 39, n°4, pp. 339-340.

Ostroumov M., Fritsch E., Faulques E., Chauvet O. (2002) Etude spectrométrique de la lazurite du Pamir. The Canadian Mineralogist, Vol. 40, pp. 885-893.

Fritsch E. (2002) Un mot sur la bénitoïte gemme. Le Règne Minéral, No. 48, pp. 22.

Ostroumov M., Victoria Morales A. , Chauvet O., Fritsch E. (2001) Algunas consideraciones sobre la naturaleza de color de topacios volcanicos (Mexico). Boletin de la Sociedad Espanola de Mineralogia, Vol. 24, pp. 33-41.

Moëlo Y., Lasnier B., Palvadeau P., Léone P., Fontan F. (2000) La lulzacite, Sr2Fe2+(Fe2+,Mg)2Al4(PO4)4(OH)10, un nouveau phosphate de strontium (Saint-Aubin-des-Châteaux, Loire-Atlantique, France). Comptes-Rendus de l'Académie des Sciences, vol. 330, pp.317-324.

Fritsch E., McClure S.F., Ostrooumov M., Andres Y., Moses T., Koivula J.I., Kammerling R.C. (1999) The identification of Zachery-treated turquoise, Gems & Gemology, Vol. 35, No. 1, pp. 4-16.

Fritsch E., Carrère P., Moses T. (1999) La détection du Jade B: comparaison des différentes méthodes de laboratoire. Revue de gemmologie a.f.g., No.136, pp. 14-18.

Parodi G.C., Rondeau B., Cochet B. (1999) Les béryls bleus de l'aiguille de Charmoz. Le règne Minéral, n° Hors-Série V, pp. 57-58.

Fritsch E. (1997) Alerte aux chrysoberyls radioactifs. Revue de gemmologie a.f.g. No. 132, pp. 7.

Liu Y., Shigley J.E., Fritsch E., Hemphill S. (1995) Relation between the crystallographic orientation and the « alexandrite effect » in synthetic alexandrite. Mineralogical Magazine. Vol. 59, pp. 111-114.

Liu Y., Shigley J.E., Fritsch E., Hemphill S. (1995) Abnormal hue-angle change of the gemstone tanzanite between CIE illuminants D65 and A in CIELAB color space. Color Research and Application.Vol. 20, No. 4, pp.245-250.

Fritsch E., Shigley J.E. (1994) Origin of the purple and pink colors of manganoan sugilite from the Wessels mine, South Africa. Mineralogical Magazine, Vol. 58, pp. 681-685.

Fritsch E. (1994) Type-B jadeite: new polymers and estimating amount of wax. Jewellery News Asia, No. 123, pp. 106-110.

Muhlmeister S., Koivula J.I., Kammerling R.C., Smith C.P., Fritsch E., Shigley J.E. (1993) Flux-grown synthetic red and blue spinels from Russia. Gems & Gemology, Vol. 29, No. 2, pp. 81-100.

Fritsch E., Langelier G. (1992) Origine de la couleur des vésuvianites vertes, mauves et bicolores du Québec. The Canadian Gemmologist, Vol. 13, No. 1, pp. 6-13.

Fritsch E., Muhlmeister S., Birkner A. (1992) A preliminary spectroscopic study of Biron synthetic pink titanium-beryl. The Australian Gemmologist, Vol. 18, No. 3, pp. 81-82.

Chai B.H.T., Fritsch E. (1992) Synthetic blue gehlenite. Proceedings of the International Gemological Symposium 1991 - Facing the Future, Ed. A. Keller, GIA, Santa Monica, CA, USA, pp. 153-154.

Chai B.H.T., Fritsch E. (1992) Synthetic "Scalexandrite" and vanadium chrysoberyl. Proceedings of the International Gemological Symposium 1991 - Facing the Future, Ed. A. Keller, GIA, Santa Monica, CA, USA, pp. 154.

Koivula J.I., Kammerling R.C., Fritsch E. (1991) Gemmological investigation of a synthetic spinel crystal from the Soviet Union. Journal of Gemmology, Vol. 22, No. 5, pp. 300-304.

Kammerling R.C., Koivula J.I., Fritsch E. (1991) Characterization of a so-called "Reconstructed Lapis Lazuli". The Australian Gemmologist, Vol. 17, No. 11, pp. 450-453.

Fritsch E., Wu S.-T. T., Moses T., McClure S.F., Moon M. (1992) Identification of bleached and polymer-impregnated jadeite. Gems & Gemology, Vol. 28, No. 3, pp. 176-187.

Rossman G.R., Fritsch E., Shigley J.E. (1991) Origin of color in cuprian elbaite tourmalines from Sao Jose de Batalha, Paraiba, Brazil. American Mineralogist, Vol. 76, pp. 1479-1484

Kammerling R.C., Koivula J.I., Kane R.E., Fritsch E., Muhlmeister S., McClure S.F. (1991) An examination of nontransparent « CZ » from Russia. Gems & Gemology, Vol. 27, No. 4, pp. 240-247.

Fritsch E., Shigley J.E., Rossman G.R., Mercer M.E., Muhlmeister S.M., Moon M. (1990) Gem-quality cuprian elbaite from Sao Jose de Batalha, Paraiba, Brazil. Gems & Gemology, Vol. 26, No. 3, pp. 189-205.

Kammerling R.C., Koivula J.I., Fritsch E. (1990) An examination of chrysoprase from Goias, Brazil. The Australian Gemmologist, pp. 313-315.

Woodruff R.E., Fritsch E. (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, Vol. 25, No. 4, pp. 216-225.

Koivula J.I., Fritsch E., Fryer C. (1988) The gemmological characteristics of Inamori synthetic cat's eye alexandrite chrysoberyl. Journal of Gemmology, Vol. 21, No. 4, pp. 232-236.


Fritsch E., Babonneau F., Sanchez C., Calas G. (1987) Vanadium incorporation in silica glasses. Journal of Non-Crystalline Solids, Vol. 92, pp. 282-294.

Fritsch E., Calas G. (1985) Thermal darkening of silica glass: a spectroscopic study. Journal of Non-Crystalline Solids, Vol. 72, pp. 175-179.

Bianconi A., Fritsch E., Calas G., Petiau J. (1985) X-ray absorption near-edge structure of 3d transition elements in tetrahedral coordination : the effect of bond length variation. Physical Review B., Vol. 32-6, pp. 4292-4296.

Marcelli A., Davoli I., Bianconi A., Garcia J., Gargano A., Natoli C.R., Benfatto M., Chiarada P., Fanfoni M., Fritsch E., Calas G., Petiau J. (1985) Local structure in SiO2 glasses by oxygen K-edge XANES. Journal de Physique Colloques, C8, Vol. 46, pp. 107-112.

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