MATTE Black Gold Amazonite 8mm Puff Coin 8-Inch Stone Type_Labradorite but can be distinguished by

but can be distinguished by its structure and its lower relative hardness

It is a form of Chrysoberyl

The inclusions are of manganese or iron

gray and purple

MATTE Black Gold Amazonite 8mm Puff Coin 8-Inch Stone Type_Labradorite but can be distinguished byBlack Gold Amazonite is a member of the Feldspar family and varies in hue from robins egg blue to blue green to black, occasionally mingled with rust brown. This variety of Amazonite is actually a combination of Amazonite, Tourmaline and Pyrite. Amazonite 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 this region.