Sardonyx 8mm Energy Prism Faceted - 15-16 Inch R0384 while the amount of Iron

while the amount of Iron in the stone varies its shade of purple

and protective stone which promotes strength and vitality

It is named for the Amazon River in Brazil

is a calcium aluminium hydroxy sorosilicate belonging to the epidote group of minerals

and is traceable to virtually all ancient civilizations

Sardonyx 8mm Energy Prism Faceted - 15-16 Inch R0384 while the amount of IronSardonyx has a Sard base, typically of brown or black, with bands of white Onyx running through it. Sard is not Onyx, but rather a dark variety of Carnelian. Sardonyx is sometimes treated to bring out its reddish tones. It is believed by some to improve memory and increase analytical skills.