Found: 66
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Quantitative definition of strength of chromophores in gemstones and the impact on color change in pyralspite garnets.
- Published in:
- Color Research & Application, 2022, v. 47, n. 5, p. 1134, doi. 10.1002/col.22789
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- Article
TOPAZ FROM MASON COUNTY, TEXAS.
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- Gems & Gemology, 2023, v. 59, n. 4, p. 414, doi. 10.5741/GEMS.59.4.414
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- Article
SPECIAL COLORS AND OPTICAL EFFECTS OF OREGON SUNSTONE: ABSORPTION, SCATTERING, PLEOCHROISM, AND COLOR ZONING.
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- Gems & Gemology, 2023, v. 59, n. 3, p. 298, doi. 10.5741/GEMS.59.3.298
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- Article
COLOR MODIFICATION OF SPINEL BY NICKEL DIFFUSION: A NEW TREATMENT.
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- Gems & Gemology, 2023, v. 59, n. 2, p. 164, doi. 10.5741/GEMS.59.2.164
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- Article
Synthetic color-change wakefieldite.
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- Gems & Gemology, 2023, v. 59, n. 1, p. 156
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- Article
Bead cultured abalone pearls from Chile.
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- Gems & Gemology, 2023, v. 59, n. 1, p. 140
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- Article
Blue zircon reportedly from Malawi.
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- Gems & Gemology, 2021, v. 57, n. 4, p. 404
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- Article
Natural freshwater pearls from Europe: Russia, Scotland, and Germany.
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- Gems & Gemology, 2021, v. 57, n. 2, p. 167
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- Article
DETECTION OF COLOR TREATMENT AND OPTICAL BRIGHTENING IN CHINESE FRESHWATER “EDISON” PEARLS.
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- Gems & Gemology, 2021, v. 57, n. 2, p. 124, doi. 10.5741/GEMS.57.2.124
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- Article
Green Opal Displaying Aventurescence.
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- Gems & Gemology, 2021, v. 57, n. 1, p. 58
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- Article
HOW TO CALCULATE COLOR FROM SPECTRA OF UNIAXIAL GEMSTONES.
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- Gems & Gemology, 2021, v. 57, n. 1, p. 36, doi. 10.5741/GEMS.57.1.36
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- Article
Rhodium-plated iron meteorites.
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- Gems & Gemology, 2020, v. 56, n. 4, p. 551
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- Article
Chromite Inclusions in Green Common OPAL.
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- Gems & Gemology, 2020, v. 56, n. 4, p. 520
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- Article
Purplish pink diaspore reportedly from Afghanistan.
- Published in:
- Gems & Gemology, 2020, v. 56, n. 2, p. 298
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- Article
GEOGRAPHIC ORIGIN DETERMINATION OF ALEXANDRITE.
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- Gems & Gemology, 2019, v. 55, n. 4, p. 660, doi. 10.5741/GEMS.55.4.660
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- Article
GEOGRAPHIC ORIGIN DETERMINATION OF EMERALD.
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- Gems & Gemology, 2019, v. 55, n. 4, p. 614, doi. 10.5741/GEMS.55.4.614
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- Article
GEOGRAPHIC ORIGIN DETERMINATION OF RUBY.
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- Gems & Gemology, 2019, v. 55, n. 4, p. 580, doi. 10.5741/GEMS.55.4.580
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- Article
GEOGRAPHIC ORIGIN DETERMINATION OF BLUE SAPPHIRE.
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- Gems & Gemology, 2019, v. 55, n. 4, p. 536, doi. 10.5741/GEMS.55.4.536
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- Article
A REVIEW OF ANALYTICAL METHODS USED IN GEOGRAPHIC ORIGIN DETERMINATION OF GEMSTONES.
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- Gems & Gemology, 2019, v. 55, n. 4, p. 512, doi. 10.5741/GEMS.55.4.512
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- Article
GEOGRAPHIC ORIGIN DETERMINATION OF PARAÍBA TOURMALINE.
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- Gems & Gemology, 2019, v. 55, n. 4, p. 648, doi. 10.5741/GEMS.55.4.648
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- Article
Gemological and chemical characteristics of natural freshwater pearls from the Mississippi River system.
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- Gems & Gemology, 2019, v. 55, n. 2, p. 282
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- Article
Inclusion-Rich Black Topaz from the Thomas Mountains, Utah.
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- Gems & Gemology, 2019, v. 55, n. 2, p. 266
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- Article
Separation of KORNERUPINE and PRISMATINE.
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- Gems & Gemology, 2019, v. 55, n. 2, p. 249
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- Article
Color-Change SPESSARTINE Garnet: A First Report.
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- Gems & Gemology, 2019, v. 55, n. 2, p. 254
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- Article
PROVENANCE DISCRIMINATION OF FRESHWATER PEARLS BY LA-ICP-MS AND LINEAR DISCRIMINANT ANALYSIS (LDA).
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- Gems & Gemology, 2019, v. 55, n. 1, p. 47, doi. 10.5741/GEMS.55.1.47
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- Article
A NEW METHOD FOR DETERMINING GEM TOURMALINE SPECIES BY LA-ICP-MS.
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- Gems & Gemology, 2019, v. 55, n. 1, p. 2, doi. 10.5741/GEMS.55.1.2
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- Article
Manufactured GOLD-IN-QUARTZ Jewelry.
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- Gems & Gemology, 2018, v. 54, n. 4, p. 431
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- Article
Matrix-Matched Standards for Trace-Element Analysis in Ruby and Sapphire.
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- Gems & Gemology, 2018, v. 54, n. 3, p. 344
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- Article
Supplementary Techniques with Potential to Assist in Freshwater Pearl Identification.
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- Gems & Gemology, 2018, v. 54, n. 3, p. 338
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- Article
Tourmaline-Sapphire-Phlogopite Rocks of the Badakhshan Province of Northeastern Afghanistan: Insights into a Favorable Environment for Blue Sapphire Development.
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- 2018
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- Abstract
What Is Cobalt Spinel? Unraveling the Causes of Color in Blue Spinels.
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- Gems & Gemology, 2018, v. 54, n. 3, p. 262
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- Article
Trapiche-like amethyst from Brazil.
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- Gems & Gemology, 2018, v. 54, n. 2, p. 237
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- Article
Discovery of color-change chrome grossular garnets from Ethiopia.
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- Gems & Gemology, 2018, v. 54, n. 2, p. 233
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- Article
Unusual Orange Pyrope-Spessartine-Grossular Garnet.
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- Gems & Gemology, 2018, v. 54, n. 1, p. 59
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- Article
New Phenomenal Feldspar from North Carolina With Iridescent Inclusions.
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- Gems & Gemology, 2017, v. 53, n. 4, p. 467
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- Article
ACCURATE REPORTING OF KEY TRACE ELEMENTS IN RUBY AND SAPPHIRE USING MATRIX-MATCHED STANDARDS.
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- Gems & Gemology, 2017, v. 53, n. 4, p. 438, doi. 10.5741/GEMS.53.4.438
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- Article
G&G Gem News International.
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- Gems & Gemology, 2017, v. 53, n. 3, p. 373
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- Article
Tri-color-change holmium-doped synthetic CZ.
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- Gems & Gemology, 2017, v. 53, n. 2, p. 259
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- Article
Raspberry-red garnet with black core.
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- Gems & Gemology, 2017, v. 53, n. 2, p. 250
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- Article
Pyrope-spessartine color-change garnet with a high grossular component.
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- Gems & Gemology, 2017, v. 53, n. 1, p. 137
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- Article
A new discovery of emeralds from Ethiopia.
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- Gems & Gemology, 2017, v. 53, n. 1, p. 114
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- Article
Multi-Elemental Diffused and Melt-Grown SYNTHETIC SAPPHIRE.
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- Gems & Gemology, 2017, v. 53, n. 1, p. 98
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- Article
THE ROLE OF SILICON IN THE COLOR OF GEM CORUNDUM.
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- Gems & Gemology, 2017, v. 53, n. 1, p. 42, doi. 10.5741/GEMS.53.1.42
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- Article
CUPRIAN LIDDICOATITE TOURMALINE.
- Published in:
- Gems & Gemology, 2017, v. 53, n. 1, p. 34, doi. 10.5741/GemS.53.1.34
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- Article
Blue dravite-uvite tourmaline from Koksha Valley, Afghanistan.
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- Gems & Gemology, 2016, v. 52, n. 4, p. 428
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- Article
COLORED STONES AND ORGANIC MATERIALS.
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- Gems & Gemology, 2016, v. 52, n. 3, p. 317
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- Article
Sphalerite in Topaz.
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- Gems & Gemology, 2016, v. 52, n. 3, p. 314
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- Article
Growth Blockages in Cat's-Eye Beryllonite.
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- Gems & Gemology, 2016, v. 52, n. 3, p. 311
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- Article
Unusual Growth Zoning in Beryl.
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- Gems & Gemology, 2016, v. 52, n. 3, p. 310
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- Article
Sapphire Rough Filled with Green Lead Glass.
- Published in:
- Gems & Gemology, 2016, v. 52, n. 3, p. 305
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- Publication type:
- Article