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单词 autunite
释义

Definition of autunite in English:

autunite

noun ˈɔːtʌnʌɪtôˈtənīt
mass noun
  • A yellow mineral occurring as square crystals which fluoresce in ultraviolet light. It is a hydrated phosphate of calcium and uranium.

    钙铀云母

    Example sentencesExamples
    • An important historical summary of autunite and other uranium mineral occurrences in the northeastern states can be found in Cooper.
    • Excellent pale yellow groups of autunite crystals to 1 cm occur in joints cutting sandstone at Novoveska Huta, Slovakia.
    • Only a sight identification has been done on this mineral; it may be some other mineral of the autunite group.
    • Northrop lists several New Mexico localities at which ‘museum-quality’ specimens of autunite have been found.
    • As in Nevada, autunite has been reported from a variety of scattered California localities.

Origin

Mid 19th century: from Autun, the name of a town in eastern France, + -ite1.

Definition of autunite in US English:

autunite

nounôˈtənīt
  • A yellow or pale green mineral occurring as square crystals that fluoresce in ultraviolet light. It is a hydrated phosphate of calcium and uranium.

    钙铀云母

    Example sentencesExamples
    • Excellent pale yellow groups of autunite crystals to 1 cm occur in joints cutting sandstone at Novoveska Huta, Slovakia.
    • An important historical summary of autunite and other uranium mineral occurrences in the northeastern states can be found in Cooper.
    • As in Nevada, autunite has been reported from a variety of scattered California localities.
    • Only a sight identification has been done on this mineral; it may be some other mineral of the autunite group.
    • Northrop lists several New Mexico localities at which ‘museum-quality’ specimens of autunite have been found.

Origin

Mid 19th century: from Autun, the name of a town in eastern France, + -ite.

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更新时间:2025/6/19 7:49:18