Sardonyx 8mm Energy Prism Faceted - 15-16 Inch Stone Type_Blue Tiger Eye This Fire Opal contains both

This Fire Opal contains both Opal and the rhyolitic host material in which it is formed

which occurs in many colors

It is a very soft stone typically found near copper deposits

Carnelian is said to be the Restorative Stone

which tends to be a strong blue color

Sardonyx 8mm Energy Prism Faceted - 15-16 Inch Stone Type_Blue Tiger Eye This Fire Opal contains bothSardonyx 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.