Sienna
Sienna, also known as Raw Sienna Dry Pigment or Limonite, is a natural mineral mined in Germany. It is used primarily as a colorant, imparting a yellow-brown hue. The material is insoluble and odorless, with a relative density of 3.9.
- Material class: colorant
- Glaze role: colorant
Oxide Analysis (wt%)
| Oxide | wt% |
|---|---|
| Fe₂O₃ | 52.01 |
| SiO₂ | 23.09 |
| Al₂O₃ | 13.28 |
| LOI | 11.62 |
Safety
- H350: May cause cancer
- H410: Very toxic to aquatic life with long lasting effects
- H410: Very toxic to aquatic life with long lasting effects