Structural, chemical and spectroscopic re-examination of type uklonskovite leads to its redefinition
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In: Mineralogical Magazine, Vol. 81.2017, No. 6, 26.01.2018, p. 1397-1404.
Research output: Contribution to journal › Article › Research › peer-review
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T1 - Structural, chemical and spectroscopic re-examination of type uklonskovite leads to its redefinition
AU - Menchetti, Silvio
AU - Bindi, Luca
AU - Belakovskiy, Dmitriy
AU - Zaccarini, Federica
PY - 2018/1/26
Y1 - 2018/1/26
N2 - The crystal structure and the chemical composition of uklonskovite from the holotype material was reinvestigated to shed light on its correct chemical formula. On the basis of information gained from this characterization, we revised the formula from NaMg(SO4)OH·2H2O to NaMg(SO4)F·2H2O (F instead of OH). A careful analysis of the structural details together with a critical review of all the chemical data listed in the scientific literature for uklonskovite support our redefinition. We also present Raman data for the mineral for the first time. Our proposal was approved by the Commission on New Minerals, Nomenclature and Classification of the International Mineralogical Association (voting proposal 16-J).
AB - The crystal structure and the chemical composition of uklonskovite from the holotype material was reinvestigated to shed light on its correct chemical formula. On the basis of information gained from this characterization, we revised the formula from NaMg(SO4)OH·2H2O to NaMg(SO4)F·2H2O (F instead of OH). A careful analysis of the structural details together with a critical review of all the chemical data listed in the scientific literature for uklonskovite support our redefinition. We also present Raman data for the mineral for the first time. Our proposal was approved by the Commission on New Minerals, Nomenclature and Classification of the International Mineralogical Association (voting proposal 16-J).
U2 - 10.1180/minmag.2017.081.009
DO - 10.1180/minmag.2017.081.009
M3 - Article
VL - 81.2017
SP - 1397
EP - 1404
JO - Mineralogical Magazine
JF - Mineralogical Magazine
SN - 0026-461X
IS - 6
ER -