# Aluminum

> Aluminum is a very light, inexpensive metal that can be anodized in vivid colors; ideal for large earrings and designer jewelry.

- Source: https://www.711grados.com/en/aluminum/
- Language: en
- Note: This entry was drafted with the help of AI and is pending review by the author.
- Published: 2026-06-11
- Updated: 2026-06-16
- Translation (es): https://www.711grados.com/es/aluminio/
- Author: Sandra Sánchez
- Site: 711 Grados (https://www.711grados.com/)

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Aluminum is a silvery metal, very light and inexpensive. Its lightness makes oversized earrings and necklaces weightless, and its ability to be anodized in vivid colors has made it popular in contemporary designer and costume jewelry.

## Properties

- **Density:** about 2.7 g/cm³: one of the lightest metals.
- **Melting point:** around 660 °C.
- **Color:** silvery gray; anodizing gives blues, reds, greens, golds and blacks.
- **Hardness:** soft; anodizing hardens the surface.
- **Resistance:** it forms a natural oxide layer that protects it from corrosion.

## Uses in jewelry

- Large, lightweight earrings and necklaces.
- Colored wire for handmade jewelry.
- Contemporary-design bangles and rings.
- Costume-jewelry findings and chains.

## Pros and cons

### Advantages

- Very light and comfortable.
- Inexpensive and available in many colors.
- It does not visibly rust.

### Limitations

- It is soft and scratches or bends easily.
- It is hard to solder with standard jewelry methods.
- The anodized color can wear off with friction.

## Care and cleaning

- Clean with a soft cloth and lukewarm water with mild soap.
- Avoid strong alkaline products, which attack aluminum.
- Keep colored pieces away from strong light so they do not fade.

## See also

- [Titanium](https://www.711grados.com/en/titanium/)
- [Stainless steel](https://www.711grados.com/en/stainless-steel/)