B
- Bazzite: Be3(Sc,Fe)2Si6O18 – Italian engineer Alessandro E. Bazzi
- Berthierite: ((Fe,Sb)2S4); French geologist and mining engineer Pierre Berthier (1782–1861)
- Bertrandite: Be4Si2O7(OH)2 – French mineralogist Emile Bertrand (1844–1909)
- Berzeliite: NaCa2Mg2(AsO4)3 and manganberzeliite – Swedish chemist Jöns Jacob Berzelius (1779-1848)
- Bilibinskite: Au2Cu2PbTe2+ – Soviet geologist Yuri A. Bilibin (1901–1952)
- Bixbite: Be3(AlMn)2Si6O18 – American mineralogist Maynard Bixby; deprecated to red beryl to avoid confusion with bixbyite
- Bixbyite: (Fe,Mn)2O3 – American mineralogist Maynard Bixby
- Blödite: Na2Mg(SO4)2•4(H2O – German chemist Carl August Blöde (1773–1820)
- Blossite: αCu2V2O7 – mineralogist F. Donald Bloss, Virginia Polytechnic Institute
- Bobfergusonite: Na2Mn2+5Fe3+Al(PO4)6 – Robert Bury Ferguson, University of Manitoba
- Bornite: Cu5FeS4 – Austrian Mineralogist Ignaz von Born (1742–1791)
- Bournonite: PbCuSbS3 – French crystallographer and mineralogist Jacques Louis de Bournon (1751–1825)
- Braggite: PtS – the first mineral characterized by X-ray analysis. William Henry Bragg (1862–1942) and his son, William Lawrence Bragg (1890–1971)
- Brandtite: Ca2Mn2+(AsO4)2·2H2O and parabrandtite – Swedish chemist Georg Brandt (1694-1768)
- Briartite: Cu2(Zn,Fe)GeS4 – Belgian geologist Gaston Briart
- Brookite: TiO2 – English mineralogist Henry James Brooke (1771–1857)
- Brucite: Mg(OH)2 – American mineralogist Archibald Bruce (1777–1818)
- Burtite: CaSn(OH)6 – American mining geologist Donald McLain Burt (born 1943)
- Buseckite: (Fe,Zn,Mn)S – American geologist Peter Buseck, Arizona State University
Read more about this topic: List Of Minerals Named After People