Russian Amazonite 10mm Round AA Grade - 15-16 Inch hidden spread by the impact with

spread by the impact with the earth or moved through glacial changes

Calcite is the principal constituent of limestone and marble

most turquoise is stabilized to improve durability and usability in jewelry design—learn more about turquoise treatments and care

The Zachery Process is the only turquoise process technology out there that is recognized as a natural treatment by the GIA in the US as well as international gem standards

The blue colors are photosensitive and may fade when exposed to excessive light or heat

Russian Amazonite 10mm Round AA Grade - 15-16 Inch hidden spread by the impact withRussian Amazonite is a translucent blue to green to green or light green stone, occurring with inclusions of white, black or yellow. It is named for the Amazon River in Brazil, where the stones are thought to have been originally found, however they are not currently sourced from that particular region. Amazonite has a long and illustrious history dating back to Mesopotamia. It was used in the Egyptian Book of the Dead, and an Amazonite ring was found