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Madagascar | |
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| Basel, Switzerland: March 29, 2017 Kashmir-like' sapphires from Madagascar entering the gem trade in large sizes and quantities By Dr. Michael S. Krzemnicki, SSEF , Swiss Gemmological Institute Trade Alert. |
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| [var. Sapphire] Pardieu, Vincent, Vertriest, Wim, Weeramonkhonlert, Vararut, Raynaud, Victoria, Atikarnsakul, Ungkhana, Perkins, Rosey (2017) Sapphires from the Gem Rush Bemainty area, Ambatondrazaka (Madagascar) Research News, Gemological Institute of America. |
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| [var. Sapphire] Pardieu, Vincent, Vertriest, Wim, Weeramonkhonlert, Vararut, Raynaud, Victoria, Atikarnsakul, Ungkhana, Perkins, Rosey (2017) Sapphires from the Gem Rush Bemainty area, Ambatondrazaka (Madagascar) Research News, Gemological Institute of America. |
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| [var. Sapphire] Pardieu, Vincent, Vertriest, Wim, Weeramonkhonlert, Vararut, Raynaud, Victoria, Atikarnsakul, Ungkhana, Perkins, Rosey (2017) Sapphires from the Gem Rush Bemainty area, Ambatondrazaka (Madagascar) Research News, Gemological Institute of America. |
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| [var. Sapphire] Pardieu, Vincent, Vertriest, Wim, Weeramonkhonlert, Vararut, Raynaud, Victoria, Atikarnsakul, Ungkhana, Perkins, Rosey (2017) Sapphires from the Gem Rush Bemainty area, Ambatondrazaka (Madagascar) Research News, Gemological Institute of America. |
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| [var. Ruby] Peretti, Adolf, Hahn, Lawrence (2012) Record-breaking Discovery of Ruby and Sapphire at the Didy Mine in Madagascar: Investigating the Source. InColor 21, International Colored Gemstones Association. 22-35
Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3 |
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| Ungemach, Henri (1916) Contribution à la Minéralogie de Madagascar. Bulletin de Minéralogie, 39 (1) 5-38 doi:10.3406/bulmi.1916.3635 |
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| [var. Sapphire] Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3 |
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| Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
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| Ungemach, Henri (1916) Contribution à la Minéralogie de Madagascar. Bulletin de Minéralogie, 39 (1) 5-38 doi:10.3406/bulmi.1916.3635 |
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| Collection Musée National de la Geologie at Ampandrianomby in Antananarivo, Madagascar. Inventory # 16650 |
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| [var. Ruby] Sarkar, C. (2020) An Evaluation of the Potential for Determination of the Geographic Origin of Ruby and Sapphire Using an Expanded Trace Element Suite Plus Sr–Pb Isotope Compositions. Minerals 10, 447.
Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3
Krebs, M.Y.
Hardman, M.F.
Pearson, D.G.
Luo, Y.
Fagan, A.J. |
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| [var. Ruby] T.R.Yager: The Mineral Industry of Madagascar. US.Geological Survey Yearbook 2001, 201-204. |
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| Pardieu, Vincent, Sangsawong, Supharart, Detroyat, Stanislas (2016) Gem News International: Rubies from a New Deposit in Zahamena National Park, Madagascar. Gems & Gemology, 51 (4) 454-456 |
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| Knut Edvard Larsen (2023) Collection. |
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| Ackermand, Dietrich, Windley, Brian F., Razafiniparany, Andriantefison H. (1991) Kornerupine breakdown reactions in paragneisses from southern Madagascar. Mineralogical Magazine, 55 (378) 71-80 doi:10.1180/minmag.1991.055.378.06 |
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| Knut Edvard Larsen collection # M-113 |
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| Knut Edvard Larsen collection # M-19 |
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| Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
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| [var. Sapphire] Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
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| [var. Sapphire] Giuliani,G. et al (2007): Mineralium Deposita 42, 251-270.
Schwarz, Dietmar, Petsch, Eckehard J., Kanis, Jan (1996) Sapphires from the Andranondambo Region, Madagascar. Gems & Gemology, 32 (2) 80-99 doi:10.5741/gems.32.2.80 |
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| Rakotondrabe, Miora Harivony, Randriamanivo, Lucienne R., Ravoson, Herinirina N. (2020) Caracterisation de Phlogopite d’Ampandrandava par les Methodes Fluorescence-X et Valorisation du Gisement (Sud de Madagascar), Universite d'Antananarivo. |
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| [var. Sapphire] Wolfgang Hampel, site visit 13 August 2005 |
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| Hampel, W. (2006): Interim Report on the Stream Sediment Survey in SE Madagascar .- Projet Cartosud (World Bank) for GAF AG & BGR, 17 pages, 5 annexes |
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| Curien H, Guillemin C, Orcel J, Sternberg M (1956) La hibonite, nouvelle espèce minérale. Comptes Rendus Hebdomadaires des Séances de l’Académie des Sciences 242, 2845-2847
Mineralogical Society of America - Handbook of Mineralogy |
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| Martins da Pedra photo |
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| Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
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| Delbos, L. (1955): Note sur le gisement d'un mineral nouveau " la hibonite" de' l'Androy Mandrareen" in Rapport Annuel du Service Geologique pour 1955, Tananarivo.143-144 |
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| Behier, Jean (1960) Contribution à la minéralogie de Madagascar. Annales géologiques de Madagascar Vol. 29. République Malgache |
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| Schwab, Pierre-Nicolas (1998) Informations Minéralogiques, Géologiques et Palèontologiues: Munich 1997 - 21-22-23 novembre 1997. La Mecque annuelle de la minéralogie européenne. Le Règne Minéral, 4 (19) 49-54 |
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| Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
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| Giuliani, G., Ohnenstetter, D., Rakotondrazafy, A.F.M., Fallick, A.E., Rakotosamizanany, S., Andriamamonjy, A., Ralantoarison, T., Razanatsehena, M., Dunaigre, C. and Schwartz, D. (2009) Les gisements de corindon gemmes de Madagascar. Revue de Gemmologie 159 (Mars 2009): 14-28 |
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| Delbos, L. (1955): Note sur le gisement d'un mineral nouveau " la hibonite" de' l'Androy Mandrareen" in Rapport Annuel du Service Geologique pour 1955, Tananarivo.143-144 |
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| M Arliguie specimen & photo |
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| Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R., Rambeloson, R. A. (2010) Widespread Occurrences of Hogbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology, 51 (4) 869-895 doi:10.1093/petrology/egq004 |
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| Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel, Paris. p.1-624. |
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| [var. Sapphire] Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3 |
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| Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
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| [var. Ruby] Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3 |
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| Vry, J.K., Brown, P. E., Valley, J. W. (1990): Cordierite volatile content and the role of CO2 in high-grade metamorphism. American Mineralogist. 75: 71-88 |
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| [var. Sapphire] Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3 |
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| Collection Arliguie M (old label) |
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| [var. Ruby] Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3 |
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| Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel, Paris. p.1-624. |
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| Schwab, Pierre-Nicolas (1998) Informations Minéralogiques, Géologiques et Palèontologiues: Munich 1997 - 21-22-23 novembre 1997. La Mecque annuelle de la minéralogie européenne. Le Règne Minéral, 4 (19) 49-54 |
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| Behier, Jean (1960) Contribution à la minéralogie de Madagascar. Annales géologiques de Madagascar Vol. 29. République Malgache |
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| Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
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| Knut Edvard Larsen collection # M-114 |
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| Behier, Jean (1960) Contribution à la minéralogie de Madagascar. Annales géologiques de Madagascar Vol. 29. République Malgache |
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| Behier, Jean (1960) Contribution à la minéralogie de Madagascar. Annales géologiques de Madagascar Vol. 29. République Malgache |
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| Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
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| [var. Sapphire] Rakotondrazafy, Amos Fety Michel, Giuliani, Gaston, Ohnenstetter, Daniel, Fallick, Anthony E., Rakotosamizanany, Saholy, Andriamamonjy, Alfred, Ralantoarison, Théogène, Razanatseheno, Madison, Offant, Yohann, Garnier, Virginie, Maluski, Henri, Dunaigre, Christian, Schwarz, Dietmar, Ratrimo, Voahangy (2008) Gem corundum deposits of Madagascar: A review. Ore Geology Reviews, 34 (1) 134-154 doi:10.1016/j.oregeorev.2007.05.001 |
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| [var. Sapphire] Pezzotta, F. (2006): New Gem localities in Madagascar. 2006 Gemmological Research Conference. Gem & Gemology, Fall 2006, p.116 |
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| Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
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| Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
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| [var. Ruby] Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3 |
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| Michel Arliguie collection & photo (photo id 899363 ), old collection |
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| [var. Sapphire] Wolfgang Hampel (site visit 4 September 2011) |
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| [var. Sapphire] Wolfgang Hampel (site visit 28 August 2011) |
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| [var. Sapphire] Schwarz, Dietmar, Kanis, Jan, Schmetzer, Karl (2000) Sapphires from Antsiranana Province, Northern Madagascar. Gems & Gemology, 36 (3) 216-233 doi:10.5741/gems.36.3.216 |
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| Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3 |
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| Behier, Jean (1960) Contribution à la minéralogie de Madagascar. Annales géologiques de Madagascar Vol. 29. République Malgache |
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| Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
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| Arliguie Michel photo and collection Photo ID: photo-1347233 ( label from old collection) |
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| Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R., Rambeloson, R. A. (2010) Widespread Occurrences of Hogbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology, 51 (4) 869-895 doi:10.1093/petrology/egq004 |
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| Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R., Rambeloson, R. A. (2010) Widespread Occurrences of Hogbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology, 51 (4) 869-895 doi:10.1093/petrology/egq004 |
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| Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R., Rambeloson, R. A. (2010) Widespread Occurrences of Hogbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology, 51 (4) 869-895 doi:10.1093/petrology/egq004 |
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| Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R., Rambeloson, R. A. (2010) Widespread Occurrences of Hogbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology, 51 (4) 869-895 doi:10.1093/petrology/egq004
Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R., Rambeloson, R. A. (2010) Widespread Occurrences of Hogbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology, 51 (4) 869-895 doi:10.1093/petrology/egq004 |
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| [var. Sapphire] Schmetzer, K.(1999): Rubine und verschiedenfarbige Saphire aus Ilakaka, Madagaskar. Lapis 24(6), 46-47 |
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| [var. Sapphire] Pardieu, G. (2013) Update on Sapphire Mining in Ilakaka-Sakaraha, Madagascar. GIA, June 6, 2013. |
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| [var. Sapphire] Pardieu, G. (2013) Update on Sapphire Mining in Ilakaka-Sakaraha, Madagascar. GIA, June 6, 2013. |
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| [var. Sapphire] www.gggems.com (n.d.) http://www.gggems.com/special_ilakaka.htm |
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| B. Devouard et al. : "Occurrence of musgravite in anorthite-corundum-spinel-sapphirine rocks ("sakenites") from South Madagascar : Evidence for a high-grade metasomatic event". 18th General Meeting of the IMA, Sept. 2002, Edinburgh, Scotland. |
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| [var. Sapphire] Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3 |
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| [var. Sapphire] Gem News.Gems & Gemmology 39 (3): 222-249 |
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| Goujou, J.C. (2005) : Etude géologique (pétro-structurale) et minéralogique des zones de Sahambano, Mosalahy, Befanova, Manivala, Zazafotsy, Ranotsara, Iakora–Madagascar. Rapport [http://fonjatany-mth.com/pdf/etudes/rapport_jcg_consult.pdf] |
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| [var. Sapphire] Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3 |
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| Goujou, J.C. (2005) : Etude géologique (pétro-structurale) et minéralogique des zones de Sahambano, Mosalahy, Befanova, Manivala, Zazafotsy, Ranotsara, Iakora–Madagascar. Rapport [http://fonjatany-mth.com/pdf/etudes/rapport_jcg_consult.pdf] |
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| Goujou, J.C. (2005): Inventaire minéralogique des zones prospectées:Sahambano-Mosalahy-Befanova-Manivala, y compris les secteurs méridionaux visités lors de la 2ème mission de terrain Ranotsara, Iakora. Rapport [http://fonjatany-mth.com/pdf/etudes/annexes_rapport.pdf] |
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| Goujou, J.C. (2005) : Etude géologique (pétro-structurale) et minéralogique des zones de Sahambano, Mosalahy, Befanova, Manivala, Zazafotsy, Ranotsara, Iakora–Madagascar. Rapport [http://fonjatany-mth.com/pdf/etudes/rapport_jcg_consult.pdf] |
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| Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R., Rambeloson, R. A. (2010) Widespread Occurrences of Hogbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology, 51 (4) 869-895 doi:10.1093/petrology/egq004 |
|
| Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R., Rambeloson, R. A. (2010) Widespread Occurrences of Hogbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology, 51 (4) 869-895 doi:10.1093/petrology/egq004 |
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| [var. Ruby] Pezzotta, Federico (2005) Rubini e zaffiri- Corindoni policromi di Ambarohy, Ihosy, Madagascar. Rivista Mineralogica Italiana, 30 (2) 116-124 |
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| Knut Edvard Larsen (2023) Collection. |
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| Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel, Paris. p.1-624. |
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| [var. Ruby] Pardieu, V. (2020) Ruby Deposits: A Review and Geological Classification. Minerals 10, 597.
Giuliani, Gaston, Fallick, Anthony, Rakotondrazafy, Michel, Ohnenstetter, Daniel, Andriamamonjy, Alfred, Ralantoarison, Théogène, Rakotosamizanany, Saholy, Razanatseheno, Marie, Offant, Yohann, Garnier, Virginie, Dunaigre, Christian, Schwarz, Dietmar, Mercier, Alain, Ratrimo, Voahangy, Ralison, Bruno (2007) Oxygen isotope systematics of gem corundum deposits in Madagascar: relevance for their geological origin. Mineralium Deposita, 42 (3) 251-270 doi:10.1007/s00126-006-0105-3
Giuliani, G.
Groat, L.A.
Fallick, A.E.
Pignatelli, I. |
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| Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel, Paris. p.1-624. |
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| Knut Edvard Larsen collection # MM-1514 |
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| [var. Sapphire] Ungemach, Henri (1916) Contribution à la Minéralogie de Madagascar. Bulletin de Minéralogie, 39 (1) 5-38 doi:10.3406/bulmi.1916.3635 |
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| [var. Sapphire] Knut Edvard Larsen collection (Micro # 950) |
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| [var. Sapphire] Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871 |
Tranomaro-Maromby area, Amboasary Sud District, Anosy, Madagascar