braunite

[ brou-nahyt ]

noun

1. an ore of manganese, 3Mn 2 O 3 ⋅MnSiO 3 .

braunite

/ ˈbraʊnaɪt /

noun

1. 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

Word History and Origins

Origin of braunite¹

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

Word History and Origins

Origin of braunite¹

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

Example Sentences

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

From Project Gutenberg