Aaron Palke
Title: Senior Manager, Research, Colored Stones, GIA Research & Development, Carlsbad, California USA
Areas of Expertise: Colored stone geology and geochemistry, geographic origin determination of colored stones, heat treatment of ruby, sapphire, and other colored stones, colorimetric analysis and chromophore studies in gemstones
Selected Published Research:
- Melt inclusions in alluvial sapphires from Montana, USA: Formation of sapphires as a restitic component of lower crustal melting?, Lithos (2017)
- Origin of sapphires from a lamprophyre dike at Yogo Gulch, Montana, USA: Clues from their melt inclusions, Lithos (2016)
- Geographic Origin Determination of Blue Sapphire, Gems & Gemology (2019)
- Identification of Opaque Sulfide Inclusions in Rubies from Mogok, Myanmar and Montepuez, Mozambique, Minerals (2020)
- How to facet gem-quality chrysoberyl: Clues from the relationship between color and pleochroism, with spectroscopic analysis and colorimetric parameters, American Mineralogist (2017)
- Vanadium - and Chromium-Bearing Pink Pyrope Garnet: Characterization and Quantitative Colorimetric Analysis, Gems & Gemology (2015)
Education:
- B.Sc. in Geology, The University of Tulsa, 2008
- Ph.D. in Geology, Stanford University, 2014
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