- Color: orangey yellow, orange, red
- Hardness: 7
- Refractive index: 1.79 - 1.81
- Density: 4.14 - 4.20
- Chemical composition: Mn3Al2(SiO4)3
- Crystal structure: isometric
- Lustre: vitreous
- Origins: USA, Germany, Sweden, Brazil, Sri Lanka, Burma, Madagascar, Mozambique, Nigeria, Australia.
Spessartite is an orange or orangey-red variety of garnet. Intense orange stones have the highest value, with large specimens being rare.