Antieke juwelen glossarium
(verklarende woordenlijst)

A - B - C - D - E - F - G - H - I - J - K - L - M - O - P - Q - R - S - T - U - V - W - X - Y - Z         (alles)

Feather agate

A variety of agate where the layers have been broken so as to resemble a black feathery form.

From: An Illustrated Dictionary of Jewelry, autor: Harold Newman, publishers: Thames and Hudson