the crystal inclusion looks like calcium crys...

the crystal inclusion looks like calcium crystal either a apatite or a calsite. these are typical inclusions 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 - 2018年Apr月30日am5時18分PDT