umbalite
A variety of garnet consisting of a mixture of pyrope, almandine, and spessartine,…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.
Meaning
2 senses(uncountable, usually)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.
(countable, usually)A gemstone consisting of the mineral umbalite.
Origin
Named for the Umba Valley of the Tanga Region of Tanzania, the location of the mineral’s fNamed for the Umba Valley of the Tanga Region of Tanzania, the location of the mineral’s first discovery in 1978: Umba + -lite.
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Forms
plural: umbalitesLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable