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Journal Article

Insight on gem opal formation in volcanic ash deposits from a supereruption: A case study through oxygen and hydrogen isotopic composition of opals from Lake Tecopa, California, U.S.A.

Erwan Martin, Eloïse Gaillou
Published: 01 May 2018
American Mineralogist (2018) 103 (5): 803-811.
DOI: https://doi.org/10.2138/am-2018-6131
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A common origin for Thai/Cambodian rubies and blue and violet sapphires from Yogo Gulch, Montana, U.S.A.?

Aaron C. Palke, Jacqueline Wong, Charles Verdel, Janaína N. Ávila
Published: 01 March 2018
American Mineralogist (2018) 103 (3): 469-479.
DOI: https://doi.org/10.2138/am-2018-6164
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Trace-element compositions of sapphire and ruby from the eastern Australian gemstone belt

Jacqueline Wong, Charles Verdel, Charlotte M. Allen
Published: 01 December 2017
Mineralogical Magazine (2017) 81 (6): 1551-1576.
DOI: https://doi.org/10.1180/minmag.2017.081.012
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Compositional variation of turquoise-group minerals from the historical collection of the Real Museo Mineralogico of the University of Naples

Manuela Rossi, Rosanna Rizzi, Alessandro Vergara, Francesco Capitelli, Angela Altomare, Fabio Bellatreccia, Michele Saviano, Rosaria M. Ghiara
Published: 01 December 2017
Mineralogical Magazine (2017) 81 (6): 1405-1429.
DOI: https://doi.org/10.1180/minmag.2017.081.055
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A re-examination of water in agate and its bearing on the agate genesis enigma

Terry Moxon
Published: 01 October 2017
Mineralogical Magazine (2017) 81 (5): 1223-1244.
DOI: https://doi.org/10.1180/minmag.2017.081.002
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Sapphire Megacrysts In Syenite Pegmatites From the Ilmen Mountains, South Urals, Russia: New Mineralogical Data

Elena S. Sorokina, Stefanos Karampelas, Tursun P. Nishanbaev, Sergey N. Nikandrov, Boris S. Semiannikov
Published: 30 September 2017
The Canadian Mineralogist (2017) 55 (5): 823-843.
DOI: https://doi.org/10.3749/canmin.1700016
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Chronological Constraints On Tsavorite Mineralizations and Related Metamorphic Episodes In Southeast Kenya

Jean-Emmanuel Martelat, Jean-Louis Paquette, Valerie Bosse, Gaston Giuliani, Patrick Monié, Edward Omito, Cédric Simonet, Daniel Ohnenstetter, Daniel Ichang'i, Christopher Nyamai, Abigail Wamunyu
Published: 01 September 2017
The Canadian Mineralogist (2017) 55 (5): 845-865.
DOI: https://doi.org/10.3749/canmin.1700019
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Neoproterozoic amorphous “ekanite” (Ca 2 Th 0.9 U 0.1 Si 8 O 20 ) from Okkampitiya, Sri Lanka: A metamict gemstone with excellent lead-retention performance

Lutz Nasdala, Fernando Corfu, Doris Blaimauer, Chutimun Chanmuang, Katja Ruschel, Radek Škoda, Manfred Wildner, Richard Wirth, Manuela Zeug, E. Gamini Zoysa
Journal: Geology
Published: 08 August 2017
Geology (2017) 45 (10): 919-922.
DOI: https://doi.org/10.1130/G39334.1
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The origin of needle-like rutile inclusions in natural gem corundum: A combined EPMA, LA-ICP-MS, and nanoSIMS investigation

Aaron C. Palke, Christopher M. Breeding
Published: 01 July 2017
American Mineralogist (2017) 102 (7): 1451-1461.
DOI: https://doi.org/10.2138/am-2017-5965
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Why Are Some Crystals Gem QUALITY? CRYSTAL Growth Considerations On the “gem Factor”

Emmanuel Fritsch, Benjamin Rondeau, Bertrand Devouard, Lauriane Pinsault, Camille Latouche
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 521-533.
DOI: https://doi.org/10.3749/canmin.1700013
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Genesis of Emerald-bearing Quartz Veins Associated with the Lened W-skarn Mineralization, Northwest Territories, Canada

Donald J. Lake, Lee A. Groat, Hendrik Falck, Thomas Mulja, Jan CempÍrek, Daniel Kontak, Daniel Marshall, Gaston Giuliani, Mostafa Fayek
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 561-593.
DOI: https://doi.org/10.3749/canmin.1700025
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Trace Element Geochemistry and Metasomatic Origin of Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina

Stephen J. Harris, Ian T. Graham, Angela Lay, William Powell, Elena Belousova, Eduardo Zappettini
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 595-617.
DOI: https://doi.org/10.3749/canmin.1700015
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Fluid Inclusion and Stable Isotope Constraints On the Formation of the Ianapera Emerald Deposit, Southern Madagascar

Stefano Salvi, Gaston Giuliani, Prosper Rakatovao Andrianjakavah, Bernard Moine, Didier Beziat, Anthony Fallick
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 619-650.
DOI: https://doi.org/10.3749/canmin.1700017
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Searching For the Garamantian Emerald: Reconsidering the Green-colored Stone Beads Trade in the Ancient Sahara

Andrea Zerboni, Pietro Vignola, Maria Carmela Gatto, Andrea Risplendente, Lucia Mori
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 651-668.
DOI: https://doi.org/10.3749/canmin.1600052
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The Precious Opal Deposit At Wegel Tena, Ethiopia: Formation VIA Successive Pedogenesis Events

Boris ChauvirÉ, Benjamin Rondeau, Francesco Mazzero, Dereje Ayalew
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 701-723.
DOI: https://doi.org/10.3749/canmin.1700010
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Formational Conditions For the Binntal Emerald Occurrence, Valais, Switzerland: Fluid Inclusion, Chemical Composition, and Stable Isotope Studies

Dan Marshall, Nicolas Meisser, Sarah Ellis, Peter Jones, François Bussy, Thomas Mumenthaler
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 725-741.
DOI: https://doi.org/10.3749/canmin.1600090
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Pink and Red Spinels in Marble: Trace Elements, Oxygen Isotopes, and Sources

Gaston Giuliani, Anthony E. Fallick, Adrian J. Boyce, Vincent Pardieu, Van Long Pham