English word umbalite comes from English Umba, English -lite (Used to form names of rocks and minerals.)
| Dictionary entry | Language | Definition |
|---|---|---|
| Umba | English (eng) | |
| -lite | English (eng) | Used to form names of rocks and minerals. |
| umbalite | English (eng) | (countable) A gemstone consisting of the mineral umbalite.. (uncountable) A variety of garnet consisting of a mixture of pyrope, almandine, and spessartine, having the chemical formula Mg₃Al₂(SiO₄)₃-Mn²⁺₃Al₂(SiO₄)₃, exclusively found in the alluvial deposits of the River Umba, and having a light-pink to purple colour. |