Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
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.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A gemstone consisting of the mineral umbalite.
Definition source: English Wiktionary via Wiktextract
Usage: countable, usually
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Named for the Umba Valley of the Tanga Region of Tanzania, the location of the mineral’s first discovery in 1978: Umba + -lite.
