Black Gold Amazonite 3x6mm Heishi - 15-16 Inch featured_02052026 with a chemical composition of

with a chemical composition of sodium aluminum oxide

It is frequently fluorescent under ultraviolet light

Pietersite is composed of

black or yellow

and beads per strand counts may vary slightly from what is listed

Black Gold Amazonite 3x6mm Heishi - 15-16 Inch featured_02052026 with a chemical composition ofBlack 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.