braunite

[ brou-nahyt ]

Phonetic (Standard)IPA

noun

braunite

/ ˈbraʊnaɪt /

a brown or black mineral that consists of manganese oxide and silicate and is a source of manganese. Formula: 3Mn 2 O 3 .MnSiO 3

1830–40; named after A. E. Braun (1809–56), German official; -ite ¹

C19: named after A. E. Braun (1809–56), German official in the treasury at Gotha

Braunite, is a dark brown substance, of a glassy metallic lustre, affording a brown powder.

The sesquioxide is found crystallized in an anhydrous form in braunite, and hydrated in manganite.

April 24, 2024gallimaufry

[gal-uh-maw-free ]

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