armangiten.

Brit.

/ɑːˈmaŋɡʌɪt/, U.S.

/ɑrˈmæŋˌɡaɪt/,

/ˈɑrmənˌɡaɪt/

Origin: Formed within English, by derivation. Etymons: arsenic n., manganese n., -ite suffix¹.

Etymology: < ar- (in arsenic n.) + mang- (in manganese n.) + -ite suffix¹.

Mineralogy.

A rare manganese arsenite mineral found in the Långban mines in Sweden, occurring chiefly as short black or brown hexagonal prisms.Formula: Mn₂₆As₁₈O₅₀(CO₃)(OH)₄. Crystal system: trigonal.

ΚΠ

1920 G. Aminoff & R. Mauzelius in Geol. Föreningens i Stockholm Förhandl. 42 301 (heading) Armangite, a new arsenite from Långbanshyttan.

1979 Amer. Mineralogist 64 751/1 Armangite is derived from the fluorite structure type by the ordering of vacancies over the anion frame.

2010 Spectrochimica Acta A. 77 388/1 Arsenic occurs naturally as a major component in..arsenites [containing As(III)O₃ units] such as armangite [Mn₂₆(As₁₈O₅₀)(OH)₄CO₃].

This is a new entry (OED Third Edition, June 2016; most recently modified version published online December 2021).

单词	armangite
释义	armangiten. Brit. /ɑːˈmaŋɡʌɪt/, U.S. /ɑrˈmæŋˌɡaɪt/, /ˈɑrmənˌɡaɪt/ Origin: Formed within English, by derivation. Etymons: arsenic n., manganese n., -ite suffix¹. Etymology: < ar- (in arsenic n.) + mang- (in manganese n.) + -ite suffix¹. Mineralogy. A rare manganese arsenite mineral found in the Långban mines in Sweden, occurring chiefly as short black or brown hexagonal prisms.Formula: Mn₂₆As₁₈O₅₀(CO₃)(OH)₄. Crystal system: trigonal. ΚΠ 1920 G. Aminoff & R. Mauzelius in Geol. Föreningens i Stockholm Förhandl. 42 301 (heading) Armangite, a new arsenite from Långbanshyttan. 1979 Amer. Mineralogist 64 751/1 Armangite is derived from the fluorite structure type by the ordering of vacancies over the anion frame. 2010 Spectrochimica Acta A. 77 388/1 Arsenic occurs naturally as a major component in..arsenites [containing As(III)O₃ units] such as armangite [Mn₂₆(As₁₈O₅₀)(OH)₄CO₃]. This is a new entry (OED Third Edition, June 2016; most recently modified version published online December 2021). < n.1920
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