Приведены результаты рентгеноструктурных, электронно-микроскопических, рентгеноспектральных микрозондовых исследований впервые выявленных в природе нуклеарно распавшихся металлических твёрдых растворов на основе Al. На основании сходства с техническими аналогами предложено определить не известные ранее сплавы, такие как природный дюралюминий.

This paper discusses results from mineralogic, petrographic, and petrochemical studies of diamond-bearing volcanic rocks that were erupted by the 2012–2013 Tolbachik Fissure Eruption. This is the first time that the reader can find an integrated description of crystal-morphologic, spectroscopic, thermal, and isotopic-geochemical properties of diamonds extracted from fresh basaltoids. We examined the micromineralizations that are accessory to the diamonds and provide a rationale for why the type (previously unknown) of non-kimberlite diamond findings should exist in nature.

It is established that the meteorite Chelyabinsk LL refers to a group of low-iron olivine ordinary chondrites. The mineral composition of the meteorite is defined moderate-ferrous olivine (Fa24-36), iron-magnesium and calcium pyroxene, anorthoclase, high-chromium Cr-spinels, monosulfide series geksapirrotin-troilite-makkinavit, pentlandite, samorodnometallicheskimi phases (nickel-iron, iron-nikelil, copper), apatite, dolomite hibbingitom. In thermogenic rims installed presumably enstatite glass with inclusions of magnetite. Content was determined in the debris of the meteorite and its carbon isotopic composition.

The paper discusses the X-ray diffraction yakutites properties. They are endemic na-nomicropolycrystalline lonsdeilit-bearing varieties of natural diamonds disputed origin. Based on the data and experience of production and study of synthetic analogues it is concluded that yakutites are specific diamond facies and differ from Brazilian carbonado.