On the nature of blue rose quartz
Karen E. Fox, Andrew M. McDonald, Chris Yakymchuk
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
Rubies from Greenland
Gemology is traditionally practiced in laboratories, focused on identifying and analyzing gemstones.