Black Eye Agate 6mm Round 15-16 Inch Crystal Quartz and an Amazonite ring was

and an Amazonite ring was found among the treasures in King Tutankhamun’s tomb

Shungite has been used as a folk medical treatment since the early 18th century

orange and rust are due to traces of hematite within the stone

Hydrogrossular garnet is an especially rare gemstone

It also occurs in golden yellows and browns as well as milky white

Black Eye Agate 6mm Round 15-16 Inch Crystal Quartz and an Amazonite ring wasBlack Eye Agate is a variety of Sardonyx which 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.