Lenaz D , Braidotti R , Princivalle F , Garuti G , Zaccarini F , European Journal of Mineralogy , 19 (2007) p.599-609, Crystal chemistry and structural refinement of chromites from different, chromitite layers and xenoliths of the Bushveld complex, Locality: Bushveld complex, South Africa, Sample: BV31A, UG3