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1. Natural and artificial OH defect incorporation into fluoride minerals at elevated temperature—a case study of sellaite, villiaumite and fluorite

   The long-known presence of a sharp OH absorption band in the tetragonal fluoride mineral sellaite, MgF ₂ , inspired us to conduct a detailed study of...

   Dominik Talla, Anton Beran, Radek Škoda in Mineralogy and Petrology

   Article Open access 25 April 2023
   

2. Conditions for the Formation of Sellaite in Salt Sediments

   Abstract

   The conditions for magnesium fluoride (sellaite) precipitation from seawater with a salinity of 35–105‰ were experimentally determined. It...

   A. V. Savenko, V. S. Savenko in Moscow University Geology Bulletin

   Article 01 November 2021
   

3. Low-pressure ferroelastic phase transition in rutile-type AX₂ minerals: cassiterite (SnO₂), pyrolusite (MnO₂) and sellaite (MgF₂)

   The structural behaviour of cassiterite (SnO ₂ ), pyrolusite (MnO ₂ ) and sellaite (MgF ₂ ), i.e. AX ₂ -minerals, has been investigated at room temperature...

   Nadia Curetti, Marcello Merli, ... Alessandro Pavese in Physics and Chemistry of Minerals

   Article 31 October 2019
   

4. Extremely Fluorine-Rich Fluoborite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka

   Abstract

   Fluoborite extremely close to the fluorine endmember of the fluoborite Mg ₃ [BO ₃ ]F ₃ –hydroxylborite Mg ₃ [BO ₃ ](ОН) ₃ series has been found in...

   M. O. Bulakh, I. V. Pekov, ... E. G. Sidorov in Geology of Ore Deposits

   Article 01 December 2022
   

5. Posteruptive Activity on the Third Cinder Cone of the Northern Breakthrough during the Great Tolbachik Fissure Eruption, Kamchatka, 1975–1976

   Abstract

   The early post-eruptive activity is described on the Third Cone, one of the New Tolbachik volcanoes, formed during the eruption at the...

   L. P. Vergasova, S. K. Filatov, ... A. P. Shablinskii in Journal of Volcanology and Seismology

   Article 21 June 2022
   

6. From freshwater inflows to salt lakes and salt deposits in the Qaidam Basin, W China

   The Qaidam basin in W China is an immense hyperarid intramontane basin with flat vast playas and salt lakes on the Qinghai-Tibet Plateau. The central...

   I. Stober, J. Zhong, K. Bucher in Swiss Journal of Geosciences

   Article Open access 24 May 2023
   

7. Marble-Hosted Gem Spinel Deposits from Luc Yen District, North Vietnam: Mineral Systems and Some Aspects of Genesis

   Abstract

   A comparative study of the mineral-species distribution by various systems in evaporites from the Inder deposit (Kazakhstan) and in marbles...

   V. G. Krivovichev, K. A. Kuksa, ... M. E. Klimacheva in Geology of Ore Deposits

   Article 01 December 2023
   

8. Diamonds in Kimberlites and Their Xenoliths: A Reappraisal

   The large body of published mineralogical and experimental data and P‒T- $$f_{{O_{2}...

   Sergei Simakov, Vittorio Scribano, ... Mikhail Novikov in Nano and Micro Diamond Formation in Nature

   Chapter 2023
   

9. Experimental Study of the Crystallization Conditions of Ongonites of the Ary-Bulak Massif (Eastern Transbaikalia)

   Phase equilibria were studied experimentally in three rock samples of the Ary-Bulak massif at T = 800–700°C, P = 1 kbar, water content 10 wt %, and...

   Ya. O. Alferyeva, V. Yu. Chevychelov, A. S. Novikova in Petrology

   Article Open access 12 March 2022
   

10. Concentration mechanism of fluorine, arsenic, and uranium in groundwater of the Hailar Basin, China

    Located in a semiarid region of the Hulun Buir League in China’s Inner Mongolia Autonomous Region, the Hailar Basin is a region with less...

    Shengfeng Liu, Bai Gao, ... Tiancheng Shi in Environmental Earth Sciences

    Article 07 September 2022
    

11. The Composition of a Silicate Melt of Fluorite-Containing Ongonites at 700–800°C, 100 MPa, and Different Oxygen Fugacities

    Abstract

    Experiments on the melting of samples of fluorite-containing ongonites from the Ary-Bulak massif at 700–800°C at a pressure of 100 MPa and...

    Ya. O. Alferyeva, A. S. Novikova in Moscow University Geology Bulletin

    Article 01 July 2021
    

12. Langbeinite-Group Minerals and Vanthoffite from Fumarole Exhalations of the Tolbachik Volcano (Kamchatka)

    Abstract

    In this paper, we provide characteristics of sulfates of exhalation origin—langbeinite K ₂ Mg ₂ (SO ₄ ) ₃ , two modifications of calciolangbeinite K ₂ Ca...

    M. O. Bulakh, I. V. Pekov, ... M. A. Nazarova in Geology of Ore Deposits

    Article 01 December 2023
    

13. Rocks of the Ary-Bulak Ongonite Massif: Relationship between Geochemical Features, Mineral-Phase Assemblages, and Formation Processes

    The paper reports the study of geochemistry, mineral-phase assemblages of rocks of the Ary-Bulak ongonite massif, compositions of major, minor and...

    I. S. Peretyazhko, E. A. Savina, A. S. Dmitrieva in Petrology

    Article 27 May 2024
    

14. Fluorellestadite from burned coal dumps: crystal structure refinement, vibrational spectroscopy data and thermal behavior

    Nine different samples of fluorellestadite from Chelyabinsk, Kizel and Kuznetsk coal basins were studied by single-crystal X-ray diffraction...

    Margarita S. Avdontceva, Andrey A. Zolotarev Jr, ... Anatoly A. Zolotarev in Mineralogy and Petrology

    Article 18 February 2021
    

15. The Discovery of the Mineral Knasibfite K₃Na₄(SiF₆)₃(BF₄) on Tolbachik Volcano, Kamchatka and Details of its Crystal Structure

    Abstract

    This paper presents the results of mineralogical and crystallographic studies in the first Russian finding of a mineral belonging to the...

    A. P. Shablinskii, L. P. Vergasova, ... R. S. Bubnova in Journal of Volcanology and Seismology

    Article 01 May 2020
    

16. Hydrogeochemistry and multivariate statistical analysis of groundwater quality of hard rock aquifers from Deccan trap basalt in Western India

    In the present investigation, hydrogeochemistry and multivariate statistical analysis of groundwater quality were assessed from hard rock aquifers of...

    Amol Kale, Narsingrao Bandela, ... Ajay Kumar in Environmental Earth Sciences

    Article 29 March 2021
    

17. Fluoride Hazard and Risk Enumeration of Hard Rock Unconfined Aquifers in the Extended Part of Chhota Nagpur Gneissic Complex

    Fluoride (F ⁻ ) is the most electronegative and reactive micro nutrient and has no colour, taste and smell. WHO (1984) has set a range of 0.6–1.2 mg/l...

    Biswajit Bera, Sumana Bhattacharjee, ... Nairita Sengupta in Journal of the Geological Society of India

    Article 12 February 2021

18. Stratiform Fluorite Mineralization along the Periphery of the Siberian Platform and in the East of Russia

    Abstract

    This paper describes the stratiform fluorite and fluorite–base-metal mineralization within the Baikal area, Aldan Shield, Sette-Daban Ridge,...

    A. A. Cherepanov, N. V. Berdnikov in Russian Journal of Pacific Geology

    Article 01 December 2022
    

19. Fluoride dynamics in hydrogeological diversity and Fluoride Contamination Index map**: a correlation study of North Singbhum Craton, India

    Fluoride is a colourless micro-nutrient which is highly required for the strong teeth and bones. The above and below the prescribed range...

    Biswajit Bera, Arijit Ghosh in Arabian Journal of Geosciences

    Article 16 December 2019
    

20. Salt efflorescence as indicator for sources of damaging salts on historic buildings and monuments: a statistical approach

    The results of XRD analyses of salt types found in more than 300 samples of efflorescence on buildings and monuments in Saxony (Germany) have been...

    Heiner Siedel in Environmental Earth Sciences

    Article 16 August 2018