---
title: "Morganite: meaning in gemology"
description: "Morganite is the pink variety of the mineral beryl. Traces of manganese cause its color."
url: https://digitalgemology.com/learn/glossary/morganite
image: https://digitalgemology.com/img/og-digital-gemology.png?v=d224fb01
---

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[Glossary](https://digitalgemology.com/learn/glossary) · Colored gemstones

# Morganite

Also called pink beryl

Morganite is the pink variety of the mineral beryl. Traces of manganese cause its color.

## Properties

**Gemological properties of morganite**

| Refractive index | 1.583 to 1.590 (GIA); 1.572 to 1.600 (IGS) |
| --- | --- |
| Birefringence | 0.007 to 0.008 |
| Optic character | Doubly refractive (uniaxial) |
| Dispersion | 0.014 |
| Specific gravity | 2.80 to 2.91 |
| Hardness (Mohs) | 7.5 to 8 |
| Crystal system | Hexagonal |
| Pleochroism | Distinct: pale pink, bluish pink |
| Absorption spectrum | Not recorded |

Published values. They change a little from stone to stone. Our tools do not model morganite yet. Sources: [GIA](https://www.gia.edu/morganite) · [International Gem Society](https://www.gemsociety.org/article/morganite-jewelry-and-gemstone-information/) · [LibreTexts Gemology](https://geo.libretexts.org/Bookshelves/Geology/Gemology/16%3A_Gemstones/16.04%3A_Beryl/16.4.09%3A_Morganite)

## In more detail

It belongs to the same species as emerald and aquamarine. Morganite is almost always heat treated, because heat removes a yellow or orange tinge. It is a durable gem, but do not expose it to heat. Ultrasonic and steam cleaners are usually safe, except for stones with liquid inclusions or fractures.

## Related terms

- [Beryl](https://digitalgemology.com/learn/glossary/beryl): Beryl is the mineral species of emerald. Aquamarine and the other beryl colors belong to the same species.
- [Aquamarine](https://digitalgemology.com/learn/glossary/aquamarine): Aquamarine is the green-blue to blue variety of the mineral beryl. Emerald and morganite belong to the same species.
- [Emerald](https://digitalgemology.com/learn/glossary/emerald): Emerald is the green to bluish green variety of the mineral beryl. Chromium, vanadium or both cause its color.
- [Heat treatment](https://digitalgemology.com/learn/glossary/heat-treatment): Heat treatment is controlled heating of a gem to change its color or clarity.

[All 369 terms](https://digitalgemology.com/learn/glossary)