eye agate

noun

eye agate

noun
1

A kind of circle agate, with the central part of deeper tints than the rest of the mass.

  • If the stripes run together around the centre, it is called the circle agate, and if in the same stone the centre shows more colored spots, it is called the eye agate, or eyestone1867, Lewis Feuchtwanger, A Popular Treatise on Gems:

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