Pink to Red and Violet Diamonds from the Argyle Mine, Australia: Properties, Color Origin and Latest Research Results

Purple jadeite, renowned for its distinctive purple hues and rich cultural connotations, is highly a

Jade or "Fei Cui" are trade names for a stone that typi- cally contains only one or more main minera

Over the past several years, the market for pink-coloured rose quartz has been augmented by variants