Staining

This glossary entry has not yet been updated and is under review.

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.

Explanation on staining by Adin antique jewelry
Adin Academy

Staining

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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.

Also known as:

References

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