O. V. Lunina
Institute of the Earth's Crust, Siberian Branch of RAS
Russian Federation

Oksana V. Lunina, Doctor of Geology and Mineralogy, Lead Researcher 

128 Lermontov street, Irkutsk 664033

A. S. Gladkov
Institute of the Earth's Crust, Siberian Branch of RAS
Russian Federation

Andrey S. Gladkov, Candidate of Geology and Mineralogy, Senior Researcher 

128 Lermontov street, Irkutsk 664033

D. P. Gladkochub
Institute of the Earth's Crust, Siberian Branch of RAS
Russian Federation

Dmitry P. Gladkochub, Doctor of Geology and Mineralogy, Corresponding Member of RAS,
Director of the Institute

128 Lermontov street, Irkutsk 664033

F. João
Sociedade Mineira de Catoca (Catoca Ltd.)
Angola

Francisco João, Head of the Mineralogical Laboratory

Luanda Sector Talatona, Luanda Sul

M. A. Karpenko
Sociedade Mineira de Catoca (Catoca Ltd.)
Angola

Michael A. Karpenko 

Luanda Sector Talatona, Luanda Su

J. T. Félix
Sociedade Mineira de Catoca (Catoca Ltd.)
Angola

Joao Tunga Felix 

Luanda Sector Talatona, Luanda Su

D. A. Koshkarev
Geological Enterprise of Exploration, Public Joint Stock Company «ALROSA»
Russian Federation

Denis А. Koshkarev, Candidate of Geology and Mineralogy, Head of Department 

16 Chernychevskoe highway, Mirny 678174,

E. V. Sklyarov
Institute of the Earth’s Crust, Siberian Branch of RAS
Russian Federation

Eugene V. Sklyarov, Corresponding Member of RAS, Doctor of Geology and Mineralogy, Professor, Chief Researcher

128 Lermontov street, Irkutsk 664033