Аннотация:Morphology, physical properties, composition and interner structure of the diamonds and accompanying minerals from the Bafit placer, Koidu kimberlites and Chikapa placers have been examined. The sources for these diamond placers unknown. Two different types of diamond crystals were estublished in placers.
Comparison of diamonds and accompanying minerals from the Bafit and Chikapa placers with the diamonds from different kimberlite pipes show, that they have not analogy in the African and Yukutian kimberlite sources.