ˈvred ə nˌbərˌgīt noun
( -s )
Etymology: Vredenburg, Alabama + English -ite
1. : a mineral consisting of an oriented intergrowth of jacobsite and hausmannite — called also beta-vredenburgite
2. : a homogeneous mineral (Mn,Fe) 3 O 4 that has the same composition as beta-vredenburgite, is stable at high temperature, and in rare instances is preserved in a metastable state at ordinary temperature — called also alpha-vredenburgite