---
title: "Dyeing: meaning in gemology"
description: "Dyeing is adding a colored substance to a gem's fractures or pores to change its color."
url: https://digitalgemology.com/learn/glossary/dyeing
image: https://digitalgemology.com/img/og-digital-gemology.png?v=d224fb01
---

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[Glossary](https://digitalgemology.com/learn/glossary) · Treatments and origin

# Dyeing

Also called dyed

Dyeing is adding a colored substance to a gem's fractures or pores to change its color.

## In more detail

It is used on ruby, emerald and quartz, among others. Solvents such as acetone or alcohol can remove many dyes, and sunlight can fade some. When a colored stone has a colored filler in its fissures, LMHC wording calls it a colored filler.

## On a grading report

'Dyed' when a colored filler creates the color of a near-colorless stone. Otherwise 'colored filler in fissures', with its amount.

## Related terms

- [Treatment](https://digitalgemology.com/learn/glossary/treatment): A treatment is any process, other than cutting and polishing, that changes a gem's color or apparent clarity. Anyone who sells a treated gem must disclose the treatment.
- [Clarity enhancement](https://digitalgemology.com/learn/glossary/clarity-enhancement): Clarity enhancement is filling surface-reaching fissures with a filler such as oil, resin, wax or glass, so they show less.
- [Stability](https://digitalgemology.com/learn/glossary/stability): Stability is a gem's resistance to damage from heat, light and chemicals.
- [Disclosure](https://digitalgemology.com/learn/glossary/disclosure): Disclosure is telling the buyer, before the sale, that a gem is treated, laboratory-grown or an imitation.

[All 328 terms](https://digitalgemology.com/learn/glossary)