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Article

Biogenic Orthorhombic α-Calcium Formate from Sediments of Alkali Lake, Oregon, USA

1
Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, 142432 Moscow, Russia
2
Faculty of Geology, Moscow State University, Vorobievy Gory, 119991 Moscow, Russia
3
Departamento de Biología de Sistemas/IQAR, Universidad de Alcalá, 28805 Madrid, Spain
4
Crystallography Department, Institute of Earth Sciences, Saint-Petersburg State University, 199034 Saint-Petersburg, Russia
5
Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
*
Author to whom correspondence should be addressed.
Academic Editor: Sytle M. Antao
Minerals 2021, 11(5), 448; https://doi.org/10.3390/min11050448
Received: 3 April 2021 / Revised: 20 April 2021 / Accepted: 20 April 2021 / Published: 23 April 2021
(This article belongs to the Special Issue 10th Anniversary of Minerals: Frontiers of Mineral Science)
Centimeter-sized crystals of orthorhombic calcium formate, α-Ca(HCO2)2 from Alkali Lake, Oregon, USA have been studied by means of powder and single-crystal X-ray diffraction analysis, infrared, and Raman spectroscopy. Based on the data on carbon isotope abundance in calcium formate and associated minerals, it was concluded that the formation of α-Ca(HCO2)2 may be a result of a combination of two factors: lake microbial metabolism and anthropogenic pollution with Agent Orange. Possible causes of stability of the low-density tetragonal β-Ca(HCO2)2 polymorph (formicaite) in boron ores are discussed. View Full-Text
Keywords: calcium formate; mineral; formicaite; polymorphism; crystal structure; IR spectroscopy; Raman spectroscopy; bacterial formate production; sedimentary deposits; alkali lake; Oregon; Agent Orange calcium formate; mineral; formicaite; polymorphism; crystal structure; IR spectroscopy; Raman spectroscopy; bacterial formate production; sedimentary deposits; alkali lake; Oregon; Agent Orange
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MDPI and ACS Style

Chukanov, N.V.; Menor-Salvan, C.; Gurzhiy, V.V.; Izatulina, A.R.; Pekov, I.V.; Vigasina, M.F.; Ksenofontov, D.A.; Britvin, S.N. Biogenic Orthorhombic α-Calcium Formate from Sediments of Alkali Lake, Oregon, USA. Minerals 2021, 11, 448. https://doi.org/10.3390/min11050448

AMA Style

Chukanov NV, Menor-Salvan C, Gurzhiy VV, Izatulina AR, Pekov IV, Vigasina MF, Ksenofontov DA, Britvin SN. Biogenic Orthorhombic α-Calcium Formate from Sediments of Alkali Lake, Oregon, USA. Minerals. 2021; 11(5):448. https://doi.org/10.3390/min11050448

Chicago/Turabian Style

Chukanov, Nikita V., Cesar Menor-Salvan, Vladislav V. Gurzhiy, Alina R. Izatulina, Igor V. Pekov, Marina F. Vigasina, Dmitry A. Ksenofontov, and Sergey N. Britvin 2021. "Biogenic Orthorhombic α-Calcium Formate from Sediments of Alkali Lake, Oregon, USA" Minerals 11, no. 5: 448. https://doi.org/10.3390/min11050448

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