# Aquamarine

> Aquamarine is blue-green beryl (7.5-8 on Mohs), from the same family as emerald; transparent and brilliant, it is the March birthstone.

- Source: https://www.711grados.com/en/aquamarine/
- Language: en
- Note: This entry was drafted with the help of AI and is pending review by the author.
- Published: 2026-09-23
- Updated: 2026-09-24
- Translation (es): https://www.711grados.com/es/aguamarina/
- Author: Sandra Sánchez
- Site: 711 Grados (https://www.711grados.com/)

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Aquamarine is a variety of beryl, the same family as emerald. Its name means “sea water” and reflects its fresh, transparent blue-green color.

## Properties

- **Composition:** beryllium aluminum silicate; the blue comes from iron.
- **Hardness:** between 7.5 and 8 on the Mohs scale.
- **Color:** pale blue to intense blue-green.
- **Origins:** mainly Brazil, and also Nigeria, Madagascar and Pakistan.
- **Clarity:** usually very clean, with few inclusions.

## Uses in jewelry

- Rings, pendants and earrings.
- March jewelry (birthstone).
- An alternative to diamond for its clarity.

## Pros and cons

### Advantages

- Fresh color and transparency.
- Durable.
- More affordable than emerald.

### Limitations

- Intense tones cost more.
- It can chip with hard knocks.
- Some are heated to improve the color.

## Care and cleaning

- Clean with lukewarm water, mild soap and a soft brush.
- Avoid knocks and sudden temperature changes.
- Store it apart from hard pieces.

## See also

- [Emerald](https://www.711grados.com/en/emerald/)
- [Birthstones by month](https://www.711grados.com/en/birthstones-by-month/)