Modern Cultivation of Freshwater Pearls in China: Advances in Materials, Technique
Niels Ruddy Hansen
Pink to Red and Violet Diamonds from the Argyle Mine, Australia: Properties, Color Origin and Latest Research Results
The Argyle Mine was by very far the largest producer of pink to red diamonds worldwide and the only
On the nature of blue rose quartz
Over the past several years, the market for pink-coloured rose quartz has been augmented by variants