Journal/NDM58 2024 eng

New Data on Minerals, Volume 58, 2024

DEADLINES FOR ARTICLES

Issue 1 - March 31, 2024
Issue 2 - May 31, 2024
Issue 3 - August 31, 2024
Issue 4 - November 30, 2024

Editorial Board

Editor in Chief:
Plechov P.Yu. -D.Sc. in Geology and Mineralogy, Professor
Members of Editorial Board:
Pekov I.V. - Corresponding Member of the Russian Academy of Sciences
Garanin V.K. - D.Sc. in Geology and Mineralogy, Professor
Borutsky B.E. - D.Sc. in Geology and Mineralogy
Spiridonov B.E. - D.Sc. in Geology and Mineralogy
Chukanov N.V. - D.Sc. in Physical and Mathematical Sciences
Kamenetsky V.S. - Professor (University of Tasmania)
Nenasheva S.N. - PhD in Geology and Mineralogy
Matvienko E.N. - PhD in Geology and Mineralogy
Generalov M.E. - PhD in Geology and Mineralogy
Pautov L.A. - Senior Researcher
Layout Designer
Kronrod E.V. - PhD in Chemistry

Content

Issue 1

Spiridonov E.M., Putintseva E.V. Minnesotaite Fe²⁺₃[(OH)₂/Si₄O₁₀] – Fayalite and Ferrohortonolite Substitution Product in Plagiogranites of Castel Mountain. Mesozoids оf Mountain Crimea, p. 5-7

Minnesotaite Fe²⁺₃[(OH)₂/Si₄O₁₀] from ferrohortonolite and fayalite substitution margins in Castel Mountain plagiogranites of Mountain Crimean mesozoids is described. In thin section minnesotaite is green in transmitted light and has a look of talk in reflected light. The chemical composition of the mineral is (microprobe analysis), wt. %: SiO2 50.60; FeO 43.41; MnO 1.20; MgO 0.51; sum. 95.72%, which corresponds to (Fe²⁺_2.87Mn²⁺_0.08Mg_0.06)_3.01[Si₄O₁₀](OH)₂. The described minnesotaite is a product of low-temperature post-magmatic hydration of ferrohortonolite and fayalite.
Keywords: minnesotaite, ferrohortonolite-fayalite plagiogranites, Castel Mountain, Mountain Crimean mesozoids. читать далее...

Midenko Y.M., Pakhomova S.B., Shilova O.A., Buzin I.V., Vandanova D.B. Determination of the emeralds` region of origin based on spectral analysis methods, p. 8-15

In this work was carried out research of the optical and spectral characteristics of a group of faceted emeralds submitted for study as Brazilian. Using various research methods (UV-VIS-NIR, microXRF, Raman spectroscopy, photoluminescence spectroscopy, IR spectroscopy, optical microscopy) and taking into literary information about world emerald deposits, the belonging of the researched samples to different regions of origin was shown.
Ключевые слова: emerald, non-shist, shist, absorption spectroscopy UV-Vis-NIR, micro X-ray fluorescence analysis, Raman spectroscopy. читать далее...

Generalov M.E. Traces of the Brazilian expedition of G.I. Langsdorff in the collection of the Fersman Mineralogical Museum, p. 16-22

In 2024, it will be 250 years since the birth of the famous naturalist Academician Georgy Ivanovich Langsdorff. The main work of his life was the study of the nature of Brazil. Traces of Langsdorff's expeditions in the collection of the Mineralogical Museum, the influence of his work on Russian geology are discussed in this article. The localities of some samples from Brazil have been clarified; it is assumed that the materials of his expedition include a number of other Museum materials with Brazilian mineral localities, for which no data on authorship has been clarified.
Ключевые слова: Mineralogical Museum, Langsdorf, Brazil, diamond, historical collections. читать далее...

Issue 2

Shendrik R.Y., Plechov P.Y., Smirnov S.Z. ArDI – the system of mineral vibrational spectroscopy data processing and analysis, p. 26-35

ArDI (Advanced spectRa Deconvolution Instrument) is a web-application for processing and analyzing of vibrational spectra of minerals (https://ardi.fmm.ru/). It is designed for express and reliable identification of minerals in geological samples. ArDI allows processing of spectra, searching for similar spectra in databases, and loading reference spectra into the database for its expansion. ArDI has prospects for development in several directions, including the improvement of the interface ergonomics and further development of algorithms for automatic processing of Raman spectra, filling the database with reference spectra, and integration the reference spectra database with the information system of Fersman Mineralogical Museum of the Russian Academy of Sciences and other mineralogical information systems. ArDI can be used for quick identification of minerals and interpretation of separate spectral bands. It can be useful in mineralogy, the examination of raw materials and gemstones, as well as in medicine, pharmacy, and criminalistics.
Ключевые слова: ArDI, spectra processing system, Raman spectroscopy, Fersman Mineralogical Museum, reference collection, new mineral, mineralogy. читать далее...

Spiridonov E.M., Ovsyannikov G.N. Pseudomorphs of pseudobrookite and pseudorutile, titanite, rutile after armalcolite, ilmenite and titanomagnetite in low-grade metamorphosed intrusive rocks of the Mountain Crimea, p. 36-45

Rocks of the island-arc pervomaisko-ayudag intrusive complex of Mountain Crimean mesozoids from plagiolherzolites to quartz gabbro-norite-dolerites and from quartz diorites to plagiogranites contain a noticeable amount of titanium minerals. There are chromtitanomagnetite and armalcolite in olivine-bearing rocks, whereas ilmenite and titanomagnetite are in all types of gabbroids and plagiogranitoids. Under the conditions of prehnite-pumpellyite facies in intensively metamorphosed igneous rocks armalcolite, ilmenite and titanomagnetite replaced titanite (at a distance from the contact with metamorphosed sedimentary rocks, a source of carbon dioxide and sulfur during metamorphism) or pseudobrookite and pseudorutile (near the contact with metamorphosed sedimentary rocks). Subsequently, part of pseudobrookite and pseudorutile were replaced by rutile, then rutile + pyrite. Titanite composition is (n = 3): Ca_1.00–1.02(Ti_0.76–0.92Fe³⁺_0.04–0.07Al_0–0.17V_0.01–0.02)_0.98–1[(O_0.78–0.90ОН_0.22–0.10)₁/Si_1.00–1.01O₄]. Composition of pseudobrookite is (n = 8): ((Fe³⁺_1.74–1.95Al_0–0.07V_0–0.03)_1.82–1.96(Mg_0–0.08Mn_0–0.02Zn_0–0.01)_0.02–0.09Ti_1.02–1.09O₅; minal content, mol.%: pseudobrookite 91.1–98.0; armalcolite 2.0–8.9. Composition of pseudorutile is (n = 4): (Fe³⁺_1.80–1.95Al_0–0.11V_0.03–0.04Mn_0.01–0.02Mg_0–0.01)_1.99–1.97Ti_3.01–3.03O₉. There are no titanite, pseudobrookite, pseudorutile, rutile, hematite, and pyrite in non-metamorphosed island-arc intrusive rocks. The replacement of armalcolite and ilmenite by pseudobrookite and pseudorutile is an iron oxidation reaction, which correlates with an increased f O₂ of metamorphogenic fluid. Thus, a metamorphogenic-hydrothermal genetic type of pseudobrookite and pseudorutile, arosed under the conditions of the prehnite-pumpellyite facies, is described.
Ключевые слова: pseudobrookite, pseudorutile, titanite, rutile, armalcolite, ilmenite, titanomagnetite, prehnite-pumpellyite facies of regional low-grade metamorphism, mesozoides of the Mountain Crimea. читать далее...

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