释义 |
Definition of leucite in English: leucitenoun ˈluːsʌɪtˈluˌsaɪt mass nounA potassium aluminosilicate mineral, crystallizing in the tetrahedral system and typically found as grey or white glassy trapezohedra in volcanic rocks. Example sentencesExamples - Early reports of leucite from this locality were shown to be an erroneous identification of analcime.
- Additionally, lamproites may contain leucite, richterite, sanidine, and occasionally nepheline, whereas kimberlites do not.
- 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.
- The three commonest feldspathoids are leucite, nepheline, and sodalite.
- Familiar examples include nepheline, leucite, and members of the sodalite and cancrinite groups.
Origin Late 18th century: from Greek leukos 'white' + -ite1. Definition of leucite in US English: leucitenounˈluˌsaɪtˈlo͞oˌsīt A gray or white potassium aluminosilicate, typically found in alkali volcanic rocks. Example sentencesExamples - 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.
- 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.
Origin Late 18th century: from Greek leukos ‘white’ + -ite. |