Found: 74
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Exceptionally Rare TITANOHOLTITE.
- Published in:
- Gems & Gemology, 2024, v. 60, n. 1, p. 71
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- Article
High-pressure behavior and structural transition of beryl-type johnkoivulaite, Cs(Be<sub>2</sub>B)Mg<sub>2</sub>Si<sub>6</sub>O<sub>18</sub>.
- Published in:
- American Mineralogist, 2024, v. 109, n. 1, p. 15, doi. 10.2138/am-2022-8908
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- Article
Gems Recovered from Sedimentary Rocks.
- Published in:
- Gems & Gemology, 2023, v. 59, n. 4, p. 510
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- Article
Demantoid, andradite, and grossular from Mexico.
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- Gems & Gemology, 2023, v. 59, n. 4, p. 527
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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
Turquoise United Conference 2023.
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- Gems & Gemology, 2023, v. 59, n. 3, p. 410
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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
GEMOLOGICAL CHARACTERIZATION OF MONTANA SAPPHIRE FROM THE SECONDARY DEPOSITS AT ROCK CREEK, MISSOURI RIVER, AND DRY COTTONWOOD CREEK.
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- Gems & Gemology, 2023, v. 59, n. 1, p. 2, doi. 10.5741/GEMS.59.1.2
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- Article
Exceptionally Large SYNTHETIC RUTILE.
- Published in:
- Gems & Gemology, 2023, v. 59, n. 1, p. 81
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- Article
Synthetic color-change wakefieldite.
- Published in:
- Gems & Gemology, 2023, v. 59, n. 1, p. 156
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- Article
Chromophore behaviors (including the 880 nm absorption band) in an irradiated pink sapphire.
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- Gems & Gemology, 2023, v. 59, n. 1, p. 160
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- Publication type:
- Article
Study of 405 nm Laser-Induced Time-Resolved Photoluminescence Spectroscopy on Spinel and Alexandrite.
- Published in:
- Minerals (2075-163X), 2023, v. 13, n. 3, p. 419, doi. 10.3390/min13030419
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- Article
Color effects of Cu nanoparticles in Cu-bearing plagioclase feldspars.
- Published in:
- American Mineralogist, 2022, v. 107, n. 12, p. 2188, doi. 10.2138/am-2022-8325
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- Publication type:
- Article
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
Inclusions in Gemstones.
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- Gems & Gemology, 2022, v. 58, n. 2, p. 234
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- Article
Iron oxide inclusions and exsolution textures of rainbow lattice sunstone.
- Published in:
- European Journal of Minerology, 2022, v. 34, n. 2, p. 183, doi. 10.5194/ejm-34-183-2022
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- Article
Unusual Composite Apatite-CO<sub>2</sub> Inclusions in Sapphires from Ohn Bin Yee Htwet, Myanmar.
- Published in:
- Gems & Gemology, 2021, v. 57, n. 4, p. 382
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- Article
Update on mining activity at Yogo Gulch, Montana.
- Published in:
- Gems & Gemology, 2021, v. 57, n. 4, p. 400
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- Article
Blue zircon reportedly from Malawi.
- Published in:
- Gems & Gemology, 2021, v. 57, n. 4, p. 404
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- Article
Johnkoivulaite, Cs(Be<sub>2</sub>B)Mg<sub>2</sub>Si<sub>6</sub>O<sub>18</sub>, a new mineral of the beryl group from the gem deposits of Mogok, Myanmar.
- Published in:
- American Mineralogist, 2021, v. 106, n. 11, p. 1844, doi. 10.2138/am-2021-7785
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- Article
PURPLE GEM SPINEL FROM VIETNAM AND AFGHANISTAN: COMPARISON OF TRACE ELEMENT CHEMISTRY, CAUSE OF COLOR, AND INCLUSIONS.
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- Gems & Gemology, 2021, v. 57, n. 3, p. 228, doi. 10.5741/GEMS.57.3.228
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- Article
ZIRCON with Unusual Color-Change Behavior.
- Published in:
- Gems & Gemology, 2021, v. 57, n. 3, p. 266
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- Article
TREATMENTS.
- Published in:
- Gems & Gemology, 2021, v. 57, n. 3, p. 283
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- Article
Quarterly Crystal: Heavily Etched Blue Beryl Crystals Reportedly from Pakistan.
- Published in:
- Gems & Gemology, 2021, v. 57, n. 2, p. 164
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- Publication type:
- 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
Green Opal Displaying Aventurescence.
- Published in:
- Gems & Gemology, 2021, v. 57, n. 1, p. 58
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- Article
VIRTUAL REPORT ON THE INDUSTRY IN 2021.
- Published in:
- Gems & Gemology, 2021, v. 57, n. 1, p. 70
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- Publication type:
- Article
Jeff Hapeman (Earth's Treasury).
- Published in:
- Gems & Gemology, 2021, v. 57, n. 1, p. 78
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- Publication type:
- Article
Josh Hyman (Philadelphia Jewelry Appraisers).
- Published in:
- Gems & Gemology, 2021, v. 57, n. 1, p. 79
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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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- Article
Large Type IIa Diamond from Arkansas, USA.
- Published in:
- Gems & Gemology, 2020, v. 56, n. 4, p. 518
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- Article
Rare Intense Purplish Pink Montana SAPPHIRE.
- Published in:
- Gems & Gemology, 2020, v. 56, n. 4, p. 522
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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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- Publication type:
- Article
Identification of Opaque Sulfide Inclusions in Rubies from Mogok, Myanmar and Montepuez, Mozambique.
- Published in:
- Minerals (2075-163X), 2020, v. 10, n. 6, p. 492, doi. 10.3390/min10060492
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- Article
Coexisting Rubies and Blue Sapphires from Major World Deposits: A Brief Review of Their Mineralogical Properties.
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- Minerals (2075-163X), 2020, v. 10, n. 5, p. 472, doi. 10.3390/min10050472
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- Publication type:
- Article
FIELD GEMOLOGY: BUILDING A RESEARCH COLLECTION AND UNDERSTANDING THE DEVELOPMENT OF GEM DEPOSITS.
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- Gems & Gemology, 2019, v. 55, n. 4, p. 490, doi. 10.5741/GEMS.55.4.490
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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 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
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 EMERALD.
- Published in:
- 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 ALEXANDRITE.
- Published in:
- Gems & Gemology, 2019, v. 55, n. 4, p. 660, doi. 10.5741/GEMS.55.4.660
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- Publication type:
- Article
Tourmaline from Sri Lanka with Transient Tenebrescence?
- Published in:
- Journal of Gemmology, 2019, v. 36, n. 8, p. 699, doi. 10.15506/jog.2019.36.8.699
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- Article
Separation of KORNERUPINE and PRISMATINE.
- Published in:
- Gems & Gemology, 2019, v. 55, n. 2, p. 249
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- Article
Color-Change SPESSARTINE Garnet: A First Report.
- Published in:
- Gems & Gemology, 2019, v. 55, n. 2, p. 254
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- Article
Rubies from Rock Creek, Montana.
- Published in:
- Gems & Gemology, 2019, v. 55, n. 2, p. 286
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- Publication type:
- Article
A NEW METHOD FOR DETERMINING GEM TOURMALINE SPECIES BY LA-ICP-MS.
- Published in:
- Gems & Gemology, 2019, v. 55, n. 1, p. 2, doi. 10.5741/GEMS.55.1.2
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- Publication type:
- Article
Gray spinel: A new trend in colored stones.
- Published in:
- Gems & Gemology, 2019, v. 55, n. 1, p. 130
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- Publication type:
- Article
Potentate's Montana sapphire mine: An interview with Warren Boyd.
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- Gems & Gemology, 2019, v. 55, n. 1, p. 134
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- Publication type:
- Article
Jeff Hapeman: Stories from a gem cutter.
- Published in:
- Gems & Gemology, 2019, v. 55, n. 1, p. 140
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- Article
What Is Cobalt Spinel? Unraveling the Causes of Color in Blue Spinels.
- Published in:
- Gems & Gemology, 2018, v. 54, n. 3, p. 262
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- Publication type:
- Article