Dual-Color Double Stars in Ruby, Sapphire, and Quartz: Cause and Historical Account
Examines a form of asterism comprising two six-rayed stars, one white and one that exhibits the stone’s bodycolor. Firsthand accounts and a survey of patent documents reveal that diffusion has been used to create or enhance this optical phenomenon in synthetic and possibly natural corundum since the 1950s.
Rose Quartz History and Lore
Rose quartz jewelry was known to be crafted by the Assyrians around 800-600 BC. The Assyrians, along with the Romans, might have been the first to use this stone.
And Then Came the Fantasy Cut
Once upon a time, gem cutting was a strict craft bound by centuries of tradition. Then Bernd Munsteiner (b. 1943) invented the fantasy cut.