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jacobsite

ja·cobs·ite [ ˈjākəbˌzīt sometimes -kəpˌsīt]

jacobsite

noun

[ˈjākəbˌzīt sometimes -kəpˌsīt]

plural -s

Definition of jacobsite

: a black magnetic isometric mineral MnFe₂O₄ consisting of an oxide of manganese and iron and constituting a member of the magnetite series

History and Etymology for jacobsite

French jakobsite, from Jakobsberg, Sweden, its locality + French -ite

Dictionary Entries near jacobsite