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Webster 1913 Edition

Leucite

Leu′cite

(lū′sīt)
,
Noun.
[Gr.
λευκόσ
white: cf. F.
leucite
.]
1.
(Min.)
A mineral having a glassy fracture, occurring in translucent trapezohedral crystals. It is a silicate of alumina and potash
KAlSi2O6
. It is found in the volcanic rocks of Italy, especially at Vesuvius.
2.
(Bot.)
A leucoplast.

Webster 1828 Edition

Leucite

LEU'CITE

,
Noun.
[Gr. white.] A stony substance, so called from its whiteness, found among volcanic productions in Italy, in crystals, or in irregular masses; formerly called crystals of white shorl, or white granite or granilite.
Hauy called this mineral, amphigene. It is called by some writers leucolite, and by others, dodecahedral zeolite.

Definition 2024

Leucite

Leucite

See also: leucite

German

Noun

Leucite m

  1. plural of Leucit

leucite

leucite

See also: Leucite

English

Noun

leucite ‎(countable and uncountable, plural leucites)

  1. (mineralogy) A mineral of silica-poor igneous, plutonic and volcanic rocks. Chemically, leucite is a potassium feldspar with insufficient silica to satisfy the chemical bonds. Because of the unfilled bonds, leucite weathers rapidly and can only be seen as inclusions in freshly broken rock.
  2. (botany) A leucoplast.

Derived terms

Translations

Etymology

From Ancient Greek λευκός ‎(leukós, “white”) +‎ -ite.

Leucite crystals in a rock

Pronunciation

  • (US) IPA(key): /ˈlusaɪt/

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