GSA Annual Meeting in Phoenix, Arizona, USA - 2019

GU, Tingting¹, PAMATO, Martha G.², NOVELLA, Davide³, NESTOLA, Fabrizio², ALVARO, Matteo⁴, FOURNELLE, John H.⁵ and WANG, Wuyi¹, (1)Gemological Institute of America, 50 west 47 Street, New York, NY 10036, (2)Department of Geosciences, University of Padova, Padova, 35131, Italy, (3)Department of Earth Sciences, University of Cambridge, Cambridge, CB3 0EZ, United Kingdom, (4)Department of Earth and Environmental Sciences, University of Pavia, Pavia, VA 27100, Italy, (5)Department of Geoscience, University of Wisconsin, Madison, WI 53706

EATON-MAGANA, Sally, Gemological Institute of America, Carlsbad, CA 92653 and BREEDING, Christopher M., Gemological Institute of America, 5355 Armada Drive, Carlsbad, CA 92008

BASSOO Jr., Roy, Department of Geosciences, Baylor University, One Bear Place #97354, Waco, TX 76798 and BEFUS, Kenneth, Geology, Baylor University, One Bear Place #97354, Waco, TX 76798

SMITH, Evan M.¹, NESTOLA, Fabrizio², PASQUALETTO, Leonardo², ZORZI, Federico², SECCO, Luciano² and WANG, Wuyi¹, (1)Gemological Institute of America, 50 W 47th Street, New York, NY 10036, (2)Department of Geosciences, University of Padova, Padova, 35131, Italy

BREEDING, Christopher M., Gemological Institute of America, 5355 Armada Drive, Carlsbad, CA 92008

MOE, Kyaw Soe, Gemological Institute of America, 50 W 47th Street, New York, NY 10036 and WANG, Wuyi, Gemological Institute of America, 50 west 47 Street, New York, NY 10036

MARTIN, Samuel G.¹, KEITH, Jeffrey D.¹, PALKE, Aaron C.², VALLEY, John W.³, TURNIER, Rachelle B.³, SHIGLEY, James E.⁴, CHADBURN, Ryan¹ and MARTIN, Alec J.¹, (1)Department of Geological Sciences, Brigham Young University, Provo, UT 84602, (2)Gemological Institute of America (GIA), 5355 Armada Dr, Carlsbad, CA 92008, (3)Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton Street, Madison, WI 53706, (4)Research Department, Gemological Institute of America, 5345 Armada Drive, Carlsbad, CA 92008

TURNIER, Rachelle B.¹, VALLEY, John W.¹, KITAJIMA, Kouki¹ and PALKE, Aaron C.², (1)Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton Street, Madison, WI 53706, (2)Gemological Institute of America (GIA), 5355 Armada Dr, Carlsbad, CA 92008

AERTKER, William S.¹, WENDLANDT, Richard F.¹ and HENRY, Darrell J.², (1)Department of Geology and Geological Engineering, Colorado School of Mines, 1500 Illinois St, Golden, CO 80401, (2)Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803

BREITSPRECHER, Charles H., Geology, California State University - Sacramento, Sacramento, CA 95825

STEELE, Sarah, 138 Curch Street, Whitby, YO22 4DE, United Kingdom

PALKE, Aaron C.¹, HENLING, Lawrence M.², MA, Chi³, ROSSMAN, George R.⁴, SUN, Ziyin¹, RENFRO, Nathan D.¹ and THU, Kyaw⁵, (1)Gemological Institute of America (GIA), 5355 Armada Dr, Carlsbad, CA 92008, (2)Beckman Institute, California Institute of Technology, Pasadena, CA 91125, (3)Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, (4)Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125-2500, (5)Macle Gem Trade Laboratory, Yangon, 11141, Myanmar