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单词 cristobalite
释义

Definition of cristobalite in English:

cristobalite

noun krɪˈstəʊbəlʌɪtkrəˈstōbəˌlīt
mass noun
  • A form of silica which is the main component of opal and also occurs as small octahedral crystals.

    Example sentencesExamples
    • Atoms of aluminum and sodium in the structure may help the stability of cristobalite as well.
    • All quartz is not the same - there are differences that do affect cristobalite generation - the ground quartz does produce more cristobalite.
    • Look up cristobalite in the textbook and describe a likely environment for the formation of this sample.
    • Analyses of some samples of the dense grey rimstone sinter showed weak reflections, indicating the possible presence of cristobalite.
    • The conversion of feldspar to cristobalite involves the removal of water.

Origin

Late 19th century: named after Cerro San Cristóbal in Mexico, where it was discovered, + -ite1.

 
 

Definition of cristobalite in US English:

cristobalite

nounkrəˈstōbəˌlīt
  • A form of silica which is the main component of opal and also occurs as small octahedral crystals.

    Example sentencesExamples
    • Look up cristobalite in the textbook and describe a likely environment for the formation of this sample.
    • The conversion of feldspar to cristobalite involves the removal of water.
    • Analyses of some samples of the dense grey rimstone sinter showed weak reflections, indicating the possible presence of cristobalite.
    • Atoms of aluminum and sodium in the structure may help the stability of cristobalite as well.
    • All quartz is not the same - there are differences that do affect cristobalite generation - the ground quartz does produce more cristobalite.

Origin

Late 19th century: named after Cerro San Cristóbal in Mexico, where it was discovered, + -ite.

 
 
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更新时间:2024/11/11 14:55:16