
Unstable Colouration of Padparadscha-like Sapphires
Author(s) : -
Date : 2018
Unstable Colouration of Padparadscha-like Sapphires. Published in Journal of Gemmology, 2018, 36(4), 346-354.
Unstable Colouration of Padparadscha-like Sapphires. Published in Journal of Gemmology, 2018, 36(4), 346-354.
GAHK seminar March 2017 on Pigeon blood red & Royal blue by Dr. Michael Krzemnicki (SSEF)