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)

Hardstone

A vague term loosely applied to any opaque stone such as is usually used in making a mosaic, or to certain hard opaque gemstones that are carved as a cameo, e.g. onyx, agate, cornelian, etc.

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