|Derivation:||From Sardis in Lydia (Greek)|
|Description:||Light or dark brown chalcedony.|
|Derivation:||From "onyx" (Greek) nail or claw|
|Description:||Striped chalcedony, particularly black and white.|
|Description:||Striped brown and white chalcedony.|
This natural specimen shows the bands of agate.
This is a cut and polished specimen.
It has been cut to show the layers so it looks like an eye.