We started heating test on rubies in Yangon o...

We started heating test on rubies in Yangon ourself 2007.... we took ore than 50,000 inclusions pictures for ruby from Myanmar. #ruby #myanmar #ginza #kyoto #unheated #yangon #jewelry #gems #gemstone #sothebys #japan #research #ring #history#culture#europe#treasure

Takahito Moriさん(@morisruby)がシェアした投稿 - Mar 9, 2018 at 5:57am PST