DISORDERED DOLOMITE FOUND IN THE CENTER OF A NATURAL PEARL FROM A CASSIS SP. MOLLUSK
ZHOU, Chunhui1, JIN, Shiyun2, SUN, Ziyin2, HOMKRAJAE, Artitaya2, MYAGKAYA, Elina1, NILPETPLOY, Nanthaporn3 and LAWANWONG, Kwanreun3, (1)Gemological Institute of America, New York, NY 10036, (2)Gemological Institute of America (GIA), 5345 Armada Dr, Carlsbad, CA 92008, (3)Gemological Institute of America (GIA), Bangkok, Thailand