Definition of sillimanite in English:

sillimanite

noun ˈsɪlɪmənʌɪtˈsiləməˌnīt

mass noun

An aluminosilicate mineral typically occurring as fibrous masses, commonly in schist or gneiss.
Example sentencesExamples
- The country rock was regionally metamorphosed to above the sillimanite isograde.
- Growth of titanite took place during the metamorphic climax in rocks from the kyanite and sillimanite zones.
- The aluminium silicate minerals andalusite, kyanite, and sillimanite are good examples of this phenomenon of polymorphism.
- Kyanite and sillimanite may also be present but only as minor components.
- Muscovite and aluminosilicates are almost entirely absent although, where present, the aluminosilicate is sillimanite.

Origin

Mid 19th century: from the name of Benjamin Silliman (1779–1864), American chemist + -ite¹.

Definition of sillimanite in US English:

sillimanite

nounˈsiləməˌnīt

An aluminosilicate mineral typically occurring as fibrous masses, commonly in schist or gneiss.
Example sentencesExamples
- Kyanite and sillimanite may also be present but only as minor components.
- Muscovite and aluminosilicates are almost entirely absent although, where present, the aluminosilicate is sillimanite.
- The country rock was regionally metamorphosed to above the sillimanite isograde.
- Growth of titanite took place during the metamorphic climax in rocks from the kyanite and sillimanite zones.
- The aluminium silicate minerals andalusite, kyanite, and sillimanite are good examples of this phenomenon of polymorphism.

Origin

Mid 19th century: from the name of Benjamin Silliman (1779–1864), American chemist + -ite.

单词	sillimanite
释义	Definition of sillimanite in English: sillimanite noun ˈsɪlɪmənʌɪtˈsiləməˌnīt mass noun An aluminosilicate mineral typically occurring as fibrous masses, commonly in schist or gneiss. Example sentencesExamples The country rock was regionally metamorphosed to above the sillimanite isograde. Growth of titanite took place during the metamorphic climax in rocks from the kyanite and sillimanite zones. The aluminium silicate minerals andalusite, kyanite, and sillimanite are good examples of this phenomenon of polymorphism. Kyanite and sillimanite may also be present but only as minor components. Muscovite and aluminosilicates are almost entirely absent although, where present, the aluminosilicate is sillimanite. Origin Mid 19th century: from the name of Benjamin Silliman (1779–1864), American chemist + -ite¹. Definition of sillimanite in US English: sillimanite nounˈsiləməˌnīt An aluminosilicate mineral typically occurring as fibrous masses, commonly in schist or gneiss. Example sentencesExamples Kyanite and sillimanite may also be present but only as minor components. Muscovite and aluminosilicates are almost entirely absent although, where present, the aluminosilicate is sillimanite. The country rock was regionally metamorphosed to above the sillimanite isograde. Growth of titanite took place during the metamorphic climax in rocks from the kyanite and sillimanite zones. The aluminium silicate minerals andalusite, kyanite, and sillimanite are good examples of this phenomenon of polymorphism. Origin Mid 19th century: from the name of Benjamin Silliman (1779–1864), American chemist + -ite.
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