Geology of Ore Deposits, 2020, V 62, N 8.

Prenucleus Clusters and Nonclassical 
Crystal Formation
A. M. Askhabov 
p. 683  

The Systematics of Crystal Polymorphic 
Transformations (Generalized on the 
Basis of Buerger’s Criteria)
S. K. Filatov and P. Paufler 
p. 690  

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  

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  

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  

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  

Rare-Earth Minerals from Carbonatite Veins in the 
Soustov Pluton, Kola Peninsula, as an Indicator 
of its Ore Specialization
M. N. Petrovskii 
p. 754  

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  

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  

New Data on Platinum Group Element Bearing 
Chromitites from the Kurtushiba Ophiolite, Western Sayan
A. N. Yurichev and A. I. Chernyshov 
p. 787  

New Data for Malanite and Cuprorhodsite from 
Chromitites of the Bushveld Complex, South Africa
N. S. Rudashevsky and V. N. Rudashevsky 
p. 796  

Mineral Crystallography

Polymorphism and Isomorphic Substitutions in the 
${\text{Cu}}_{3}^{{2 + }}$(T5+O4)2 Natural System 
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I. V. Pekov, N. V. Zubkova, V. O. Yapaskurt, N. N. Koshlyakova, 
A. G. Turchkova, E. G. Sidorov and D. Yu. Pushcharovsky 
p. 803  

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