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)

Staining

The process of changing the colour of certain gemstones by soaking the stone in an aniline dye or precipitating various chemicals within cracks or a porous structure. The colours are often permanent, but some organic dyes fade in time. The terms 'staining' and 'dyeing' are often used interchangeably.

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