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单词 malladrite
释义

Definition of malladrite in English:

malladrite

noun ˈmalədrʌɪt
Mineralogy
  • A trigonal fluosilicate of sodium, Na₂SiF₆, occurring as pale rose-coloured crusts on lava.

Origin

1920s; earliest use found in Mineralogical Abstracts. From Italian malladrite from the name of Alessandro Malladra, Italian director of the Vesuvius Observatory + -ite.

Definition of malladrite in US English:

malladrite

nounˈmalədrʌɪt
Mineralogy
  • A trigonal fluosilicate of sodium, Na₂SiF₆, occurring as pale rose-coloured crusts on lava.

Origin

1920s; earliest use found in Mineralogical Abstracts. From Italian malladrite from the name of Alessandro Malladra, Italian director of the Vesuvius Observatory + -ite.

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更新时间:2025/7/4 5:39:53