One of the mysteries of the English language finally explained.
A gray or white potassium aluminosilicate, typically found in alkali volcanic rocks.
- ‘Additionally, lamproites may contain leucite, richterite, sanidine, and occasionally nepheline, whereas kimberlites do not.’
- ‘Early reports of leucite from this locality were shown to be an erroneous identification of analcime.’
- ‘The three commonest feldspathoids are leucite, nepheline, and sodalite.’
- ‘Familiar examples include nepheline, leucite, and members of the sodalite and cancrinite groups.’
- ‘Geologic observations of this region were recorded as early as 1869 by the Hayden Survey, and by 1874 Endlich had reported leucite (later correctly identified as analcime) from Table Mountain.’
Late 18th century: from Greek leukos ‘white’ + -ite.
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