Abstracts of Papers Presented at 2019 Annual Meeting of the Society Held in Kawagoe on June 8, 2019

2020 Journal of The Gemmological Society of Japan  
High quality(esp"teri") pearls have existed long before the method of pearl farming were established in Japan. The teri is related to crystal structure of nacreous layer. We study what pearls express rose-pink interference color with scanning electron microscope.
doi:10.14915/gsjapan.34.1-4_51 fatcat:ibwbas6cm5gg5ghmauqtidjpoa