What is an Eye Agate?
The Eye Agate form is a perfect hemisphere or half sphere with concentric banding to the center. All the bands are near perfect circles and are structured like a group of balls one inside the other. The formation is generally small and occurs most often on or near
e covered with eyes, have only one eye, or no eyes. Depending on the agate type the eyes are not always easy to see on the outside surface of the nodule.
s varies greatly. "Eyes" occur in about 5% of Lake Superior agates
the outside surface of an agate nodule. Most eyes are one centimeter or less in diameter. The outside surface of a nodular agate can b
agate nodules and do not seem to occur at all in some other types
The occurrence of "eyes" in various agate type and about 5% in Botswana agates. "Eyes" are quite rare in Brazilian
of agate. The eye formation seems to be more prevalent in smaller a
gate nodules and there is one place in Mexico that produces a small
agate nodules where most of the agates have eyes.