Found: 42
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Large Aquamarine Overgrown by Synthetic Emerald.
- Published in:
- Journal of Gemmology, 2024, v. 39, n. 3, p. 199, doi. 10.15506/jog.2024.39.3.199
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- Publication type:
- Article
Dyed Chatoyant Quartz Misrepresented as Cats-eye Chrysoberyl in an Antique Jewel.
- Published in:
- Journal of Gemmology, 2023, v. 38, n. 8, p. 754, doi. 10.15506/jog.2023.38.8.754
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- Publication type:
- Article
CVD Synthetic Diamonds Identified in a Parcel of Light Brown Melee.
- Published in:
- Journal of Gemmology, 2020, v. 37, n. 1, p. 16, doi. 10.15506/jog.2020.37.1.16
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- Publication type:
- Article
A Barium-Glass-Filled Ruby.
- Published in:
- Journal of Gemmology, 2015, v. 34, n. 7, p. 574
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- Publication type:
- Article
The First Undisclosed Colourless CVD Synthetic Diamond Discovered in a Parcel of Natural Melee-Sized Diamonds.
- Published in:
- Journal of Gemmology, 2015, v. 34, n. 6, p. 518, doi. 10.15506/JoG.2015.34.6.518
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- Publication type:
- Article
Green-Luminescing Hyalite Opal from Zacatecas, Mexico.
- Published in:
- Journal of Gemmology, 2015, v. 34, n. 6, p. 490, doi. 10.15506/JoG.2015.34.6.490
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- Publication type:
- Article
DFI Mid-UV Laser<sup>+</sup> Diamond Screening System.
- Published in:
- 2015
- By:
- Publication type:
- Product Review
New Large Black Synthetic Moissanite as a Black Diamond Imitation.
- Published in:
- Journal of Gemmology, 2015, v. 34, n. 5, p. 399
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- Publication type:
- Article
The Rhodesian Star: An Exceptional Asteriated Diamond.
- Published in:
- Journal of Gemmology, 2014, v. 34, n. 4, p. 306, doi. 10.15506/JoG.2014.34.4.306
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- Publication type:
- Article
First CVD Synthetic Diamond Discovered in a Parcel of Natural Melee-sized Diamonds.
- Published in:
- Journal of Gemmology, 2014, v. 34, n. 4, p. 300
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- Publication type:
- Article
Purple to Reddish Purple Chrysoberyl from Brazil.
- Published in:
- Journal of Gemmology, 2014, v. 34, n. 1, p. 32, doi. 10.15506/jog.2014.34.1.32
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- Publication type:
- Article
Raman and Photoluminescence Mapping of Gem Materials.
- Published in:
- Minerals (2075-163X), 2021, v. 11, n. 2, p. 177, doi. 10.3390/min11020177
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- Publication type:
- Article
New Insights for Gem-Quality Mn-Bearing Diopside-Omphacite, Violane Variety, from Saint Marcel (Val D'Aosta, Italy): Its Trace Elements and Spectroscopic Characterization.
- Published in:
- Minerals (2075-163X), 2021, v. 11, n. 2, p. 171, doi. 10.3390/min11020171
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- Publication type:
- Article
Optical and Luminescence Spectroscopy of Varicolored Gem Spinel from Mogok, Myanmar and Lục Yên, Vietnam.
- Published in:
- Minerals (2075-163X), 2021, v. 11, n. 2, p. 169, doi. 10.3390/min11020169
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- Publication type:
- Article
Gemology, Mineralogy, and Spectroscopy of an Attractive Tremolitized Diopside Anorthosite Gem Material from the Philippines: A New Type of Material with Similarities to Dushan Jade.
- Published in:
- Minerals (2075-163X), 2021, v. 11, n. 2, p. 152, doi. 10.3390/min11020152
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- Publication type:
- Article
A Defect Study and Classification of Brown Diamonds with Non-Deformation-Related Color.
- Published in:
- Minerals (2075-163X), 2020, v. 10, n. 10, p. 914, doi. 10.3390/min10100914
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- Publication type:
- Article
A Defect Study and Classification of Brown Diamonds with Deformation-Related Color.
- Published in:
- Minerals (2075-163X), 2020, v. 10, n. 10, p. 903, doi. 10.3390/min10100903
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- Publication type:
- Article
Synthetic citrine with abundant nail-head spicules.
- Published in:
- Gems & Gemology, 2008, v. 44, n. 4, p. 375
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- Publication type:
- Article
GRAY-TO-BLUE-TO-VIOLET HYDROGEN-RICH DIAMONDS FROM THE ARGYLE MINE, AUSTRALIA.
- Published in:
- Gems & Gemology, 2009, v. 45, n. 1, p. 20, doi. 10.5741/GEMS.45.1.20
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- Publication type:
- Article
An unusual type of phenomenal quartz.
- Published in:
- Gems & Gemology, 2007, v. 43, n. 3, p. 261
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- Publication type:
- Article
TRAPICHE TOURMALINE FROM ZAMBIA.
- Published in:
- Gems & Gemology, 2007, v. 43, n. 1, p. 36, doi. 10.5741/GEMS.43.1.36
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- Publication type:
- Article
A large phenomenal fire opal with possible uranium-related luminescence.
- Published in:
- Gems & Gemology, 2006, v. 42, n. 4, p. 276
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- Publication type:
- Article
THE CAUSE OF IRIDESCENCE IN RAINBOW ANDRADITE FROM NARA, JAPAN.
- Published in:
- Gems & Gemology, 2006, v. 42, n. 4, p. 248, doi. 10.5741/GEMS.42.4.248
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- Publication type:
- Article
Chameleon Diamonds: A Proposed Model to Explain Thermochromic and Photochromic Behaviors.
- Published in:
- Gems & Gemology, 2006, v. 42, n. 3, p. 101
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- Publication type:
- Article
Natural "CO<sub>2</sub>-rich" Colored Diamonds.
- Published in:
- Gems & Gemology, 2006, v. 42, n. 3, p. 97
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- Publication type:
- Article
A convincing moonstone doublet.
- Published in:
- Gems & Gemology, 2006, v. 42, n. 1, p. 76
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- Publication type:
- Article
Massive haüyne-sodalite from Myanmar.
- Published in:
- Gems & Gemology, 2006, v. 42, n. 1, p. 64
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- Publication type:
- Article
THE CHARACTERIZATION OF TORTOISE SHELL AND ITS IMITATIONS.
- Published in:
- Gems & Gemology, 2006, v. 42, n. 1, p. 35, doi. 10.5741/GEMS.42.1.36
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- Publication type:
- Article
A large greenish yellow grossular from Africa.
- Published in:
- Gems & Gemology, 2005, v. 41, n. 4, p. 352
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- Publication type:
- Article
A GEMOLOGICAL STUDY OF A COLLECTION OF CHAMELEON DIAMONDS.
- Published in:
- Gems & Gemology, 2005, v. 41, n. 1, p. 20, doi. 10.5741/GEMS.41.1.20
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- Publication type:
- Article
Radio-colouration of diamond: a spectroscopic study.
- Published in:
- Contributions to Mineralogy & Petrology, 2013, v. 165, n. 5, p. 843, doi. 10.1007/s00410-012-0838-1
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- Publication type:
- Article
Luminescence spectroscopy and microscopy applied to study gem materials: a case study of C centre containing diamonds.
- Published in:
- Mineralogy & Petrology, 2013, v. 107, n. 3, p. 393, doi. 10.1007/s00710-013-0273-7
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- Publication type:
- Article
"Boehmite Needles" in Corundum Are Rose Channels.
- Published in:
- Gems & Gemology, 2018, v. 54, n. 3, p. 257
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- Publication type:
- Article
NATURAL DIAMONDS MISTAKENLY IDENTIFIED AS NPD SYNTHETIC DIAMONDS.
- Published in:
- 2015
- By:
- Publication type:
- Letter to the Editor
Gem News International.
- Published in:
- Gems & Gemology, 2011, v. 47, n. 1, p. 56, doi. 10.5741/GEMS.47.1.56
- By:
- Publication type:
- Article
UV-Vis-NIR Reflectance Spectroscopy of Natural-Color Saltwater Cultured Pearls from Pinctada Margaritifera.
- Published in:
- Gems & Gemology, 2011, v. 47, n. 1, p. 31, doi. 10.5741/GEMS.47.1.31
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- Publication type:
- Article
Dyed sillimanite as an emerald imitation.
- Published in:
- Gems & Gemology, 2009, v. 45, n. 4, p. 308
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- Publication type:
- Article
Hibonite: A New Gem Mineral.
- Published in:
- Gems & Gemology, 2010, v. 46, n. 2, p. 135, doi. 10.5741/GEMS.46.2.135
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- Publication type:
- Article
Gem News International.
- Published in:
- Gems & Gemology, 2010, v. 46, n. 2, p. 147, doi. 10.5741/GEMS.46.2.147
- By:
- Publication type:
- Article
High-RI barium-zirconium glass imitation of peridot and other gems.
- Published in:
- Gems & Gemology, 2009, v. 45, n. 4, p. 307
- By:
- Publication type:
- Article
A most unusual blister pearl.
- Published in:
- Gems & Gemology, 2009, v. 45, n. 4, p. 300
- By:
- Publication type:
- Article
MORE ON THE "FLUORESCENCE CAGE.".
- Published in:
- 2009
- By:
- Publication type:
- Letter