标题(Title) 一般不超过80个字符
Gem Testing • Gem Origins • Gem Treatment ID • Lotus Gemology
Bangkok
(78 个字符)
关键词(KeyWords)一般不超过100个字符
gem testing, ruby, sapphire, gemology, precious stones, gems, Burmese ruby, spinel, jade, jadeite, Kashmir sapphire, Burma sapphire, emerald
(140 个字符)
描述(Description)一般不超过200个字符
Colored gem testing, including origin and treatment identification for ruby, sapphire, spinel, emerald and jade from Lotus Gemology
(131 个字符)