Russian Amazonite 8mm Round AA Grade - 15-16 Inch 4-9mm midnight blue glass with flecks

midnight blue glass with flecks of copper suspended within it

They are all silicate minerals

it often features a metallic sheen or silvery chatoyancy caused by internal structural healing

light gray or black

Russian Amazonite 8mm Round AA Grade - 15-16 Inch 4-9mm midnight blue glass with flecksRussian 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