This Historic Wizard of Oz Keepsake Is Being Auctioned Off for Over $800,000
As one of the most-watched filmsin history,The Wizard of Ozis a 1939 classic that continues to captivate audiences. Its ...
Gemological Institute of America19h
Ruby Care and Cleaning Guide
Ruby is an incredibly durable gemstone if there are no treatment-related durability concerns. - Courtesy Jan Goodman Co. Hardness and toughness Gem and mineral hardness is measured on the Mohs scale.