Session No. 254
Tuesday, 27 September 2016: 9:00 AM-6:30 PM
Exhibit Hall E/F (Colorado Convention Center)
248
PROVENANCE STUDY OF TURQUOISE USING TRACE ELEMENT ANALYSIS
Abstract ID#: 287946
ZHENG, Yuan, Gemological Institute, China University of Geoscience (Wuhan), No.388 Lumo Road, Wuhan, 430074; Gemmological Institute, China University of Geosciences (Wuhan), No. 388 Lumo Road, Wuhan, 430074, China and SHEN, Andy, Gemmological Institute, China University of Geosciences (Wuhan), No. 388 Lumo Road, Wuhan, 430074, China, yuanzheng@2014.cug.edu.cn
249
SAPPHIRES FROM AN EOCENE SILL NEAR HELENA, MONTANA
Abstract ID#: 278371
BERG, Richard B., Montana Bureau of Mines and Geology, Montana Tech of the U. of Montana, 1300 W. Park St., Butte, MT 59701 and PALKE, Aaron C., Gemological Institute of America, 5355 Armada Drive, Carlsbad, CA 92008, dberg@mtech.edu
250
DISTRIBUTION OF [SI-V]- DEFECT IN NATURAL TYPE IIA DIAMONDS
Abstract ID#: 280126
WANG, Wuyi1, JOHNSON, Paul
2, D’HAENENS-JOHANSSON, Ulrika
2 and LOUDIN, Lorne
2, (1)Gemological Institute of America, 50 west 47 Street, New York, NY 10036, (2)Gemological Institute of America, New York, NY 10036, wwang@gia.edu
251
TREATED HYDROGEN RICH DIAMONDS
Abstract ID#: 282937
JOHNSON, Paul1, MOE, Kyaw Soe
1 and ZAITSEV, Alexander M.
2, (1)Gemological Institute of America, New York, NY 10036, (2)Department of Engineering Science & Physics, College of Staten Island and Graduate School of the City University of New York, Staten Island, NY 10314, paul.johnson@gia.edu
252
HIGH TEMPERATURE ANNEALING OF HYDROGEN-RICH DIAMONDS
Abstract ID#: 285453
ARDON, Troy, Gemological Institute of America, 5355 Armada Drive, Carlsbad, CA 92008 and EATON-MAGANA, Sally, Gemological Institute of America, Carlsbad, CA 92653, troy.ardon@gia.edu
253
RUSSIA'S TREASURE OF DIAMONDS AND PRECIOUS STONES
Abstract ID#: 287030
TOZER, Rose, JONATHAN, Cathleen, DIRLAM, Dona Mary, RUCINSKI, Paula and OSTRYE, Sarah, Richard T. Liddicoat Gemological Library and Information Center, Gemological Institute of America (GIA), The Robert Mouawad Campus, 5345 Armada Drive, Carlsbad, CA 92008, rtozer@gia.edu