Black Gold Amazonite 2x4mm Heishi - 15-16 Inch Stone Type_Sardonyx Argentinian Blue Onyx and Argentinian

Argentinian Blue Onyx and Argentinian Aquamarine Onyx

Madre de Cacao is a very hard tropical wood with a visible grain

and may also be referred to as Jacktree

It is a particularly unusual gem because it exhibits a special optical property known as "tenebrescence

Black Gold Amazonite 2x4mm Heishi - 15-16 Inch Stone Type_Sardonyx Argentinian Blue Onyx and ArgentinianBlack 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.