malladriten.

Brit.

/ˈmalədrʌɪt/, U.S.

/ˈmæləˌdraɪt/

Origin: A borrowing from Italian. Etymon: Italian malladrite.

Etymology: < Italian malladrite (F. Zamboni & G. Carobbi 1926, in Atti della Reale Accad. Nazionale dei Lincei: Rendiconti, Classe di Sci. Fis. 4 173) < the name of Alessandro Malladra (1868–1944), Italian director of the Vesuvius Observatory + -ite -ite suffix¹.The mineral was first found on Mount Vesuvius.

Mineralogy.

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

ΚΠ

1927 Mineral. Abstr. 3 238 Material collected in 1924 from fumaroles on Vesuvius contained..sodium fluosilicate, Na₂SiF₆,..named malladrite.

1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 105 Malladrite... Found as crusts on lava at Vesuvius, associated with salammoniac, avogadrite, hieratite and ferruccite.

1994 Amer. Mineralogist 79 381 Barberiite, ammonium tetrafluoroborate, occurs as a fumarolic encrustation at Fosa crater on Vulcano, Aeolian Islands, Italy... It is admixed with sulfur and sometimes with malladrite, salammoniac, and realgar.

This is a new entry (OED Third Edition, June 2000; most recently modified version published online March 2022).

单词	malladrite
释义	malladriten. Brit. /ˈmalədrʌɪt/, U.S. /ˈmæləˌdraɪt/ Origin: A borrowing from Italian. Etymon: Italian malladrite. Etymology: < Italian malladrite (F. Zamboni & G. Carobbi 1926, in Atti della Reale Accad. Nazionale dei Lincei: Rendiconti, Classe di Sci. Fis. 4 173) < the name of Alessandro Malladra (1868–1944), Italian director of the Vesuvius Observatory + -ite -ite suffix¹.The mineral was first found on Mount Vesuvius. Mineralogy. A trigonal fluosilicate of sodium, Na₂SiF₆, occurring as pale rose-coloured crusts on lava. ΚΠ 1927 Mineral. Abstr. 3 238 Material collected in 1924 from fumaroles on Vesuvius contained..sodium fluosilicate, Na₂SiF₆,..named malladrite. 1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 105 Malladrite... Found as crusts on lava at Vesuvius, associated with salammoniac, avogadrite, hieratite and ferruccite. 1994 Amer. Mineralogist 79 381 Barberiite, ammonium tetrafluoroborate, occurs as a fumarolic encrustation at Fosa crater on Vulcano, Aeolian Islands, Italy... It is admixed with sulfur and sometimes with malladrite, salammoniac, and realgar. This is a new entry (OED Third Edition, June 2000; most recently modified version published online March 2022). < n.1927
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