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.

词汇	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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