noun
- Plural of braunite; a mineral consisting of manganese oxide, typically black or dark brown in color, found in metamorphic and sedimentary rocks.
Usage: mineralogy; technical
Examples
- Braunites are commonly found in manganese ore deposits.
- The geologist identified braunites in the rock sample under the microscope.
- Braunites contribute to the economic value of certain manganese-rich mineral formations.
- The dark crystals in the specimen were confirmed to be braunites through X-ray diffraction.