Contents

Geology of Ore Deposits

Vol. 62, No. 8, 2020

Prenucleus Clusters and Nonclassical Crystal Formation

A. M. Askhabov p. 683  abstract

The Systematics of Crystal Polymorphic Transformations (Generalized on the Basis of Buerger’s Criteria)

S. K. Filatov and P. Paufler p. 690  abstract

Mineral Systems Based on the Number of Species-Defining Chemical Elements in Minerals: Their Diversity, Complexity, Distribution, and the Mineral Evolution of the Earth’s Crust: A Review

V. G. Krivovichev, M. V. Charykova and S. V. Krivovichev p. 704  abstract

On the Genesis of “White Granite” from the Kester Harpolith, Arga–Ynnakh–Khaya Pluton, East Yakutia

V. I. Alekseev and Yu. B. Marin p. 719  abstract

Finding forms and Micro- and Nanoscale Assemblages of Gold as Indicators of Formation Conditions, Distribution, and Typification of Orogenic Deposits of Uzbekistan (South Tien Shan)

R. I. Koneev, R. A. Khalmatov and A. N. Krivosheeva p. 731  abstract

Minerals and Mineral Parageneses

The Defect-Impurity Composition of Diamond Crystals with 〈100〉 Growth Pyramids from Placers of the Krasnovishersk District, the Urals

I. V. Klepikov, E. A. Vasilev and A. V. Antonov p. 743  abstract

Rare-Earth Minerals from Carbonatite Veins in the Soustov Pluton, Kola Peninsula, as an Indicator of its Ore Specialization

M. N. Petrovskii p. 754  abstract

Meliphanite and Leucophanite from the Sakharjok Alkaline Massif, Kola Peninsula

L. M. Lyalina, Ye. E. Savchenko, G. I. Kadyrova and E. A. Selivanova p. 764  abstract

The Age of Monazite from the Ichet’yu Occurrence, Middle Timan (CHIME and LA–ICP–MS Methods)

A. B. Makeyev, S. G. Skublov, A. O. Krasotkina, S. E. Borisovskiy, T. B. Thomsen and S. H. Serre p. 773  abstract

New Data on Platinum Group Element Bearing Chromitites from the Kurtushiba Ophiolite, Western Sayan

A. N. Yurichev and A. I. Chernyshov p. 787  abstract

New Data for Malanite and Cuprorhodsite from Chromitites of the Bushveld Complex, South Africa

N. S. Rudashevsky and V. N. Rudashevsky p. 796  abstract

Mineral Crystallography

Polymorphism and Isomorphic Substitutions in the ${\text{Cu}}_{3}^{{2 + }}$(T5+O4)2 Natural System with T = As, V, or P

I. V. Pekov, N. V. Zubkova, V. O. Yapaskurt, N. N. Koshlyakova, A. G. Turchkova, E. G. Sidorov and D. Yu. Pushcharovsky p. 803  abstract

The High-Temperature Behavior of Axinite-(Mn), Kornerupine, and Leucosphenite

M. G. Krzhizhanovskaya, V. A. Firsova, R. S. Bubnova, S. N. Britvin, O. G. Bubnova and I. V. Pekov p. 819  abstract