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)

Glass

An amorphous, artificial, non-crystalline substance, usually transparent but often translucent or opaque. It can be distinguished from most gemstones by its single refraction and consequent lack of dichroism and by comparison of the refractive indices.

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