斯里兰卡拉特纳普拉的三种铌矿群矿物

IF 1.1 4区地球科学 Q3 GEOCHEMISTRY & GEOPHYSICS

Mineralogy and Petrology Pub Date : 2025-07-02 DOI:10.1007/s00710-025-00936-y

K. A. Geeth Sameera, Chutimun Chanmuang N., Radek Škoda, Manfred Wildner, Lutz Nasdala

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引用次数: 0

摘要

在斯里兰卡Ratnapura地区的宝石砂矿样品中发现了3种氧化矿物，分别为柱状石- (Mn) （MnNb2O6）、柱状石- (Fe) （FeNb2O6）和铁钼矿（CaNb2O6）。我们介绍了化学、结构和光谱分析的结果，包括天然铁酸铁的第一个拉曼光谱。在空气中干退火前后的分析结果表明，柱状铁- (Mn)和柱状铁- (Fe)的累积自辐照损伤程度较低，与锕系元素浓度较低相对应。

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Three columbite-group minerals from Ratnapura, Sri Lanka

Three oxide minerals belonging to the columbite group, including columbite–(Mn) (MnNb₂O₆), columbite–(Fe) (FeNb₂O₆), and fersmite (CaNb₂O₆), were found in specimens from gem placers in Ratnapura district, Sri Lanka. We present results of chemical, structural and spectroscopic analyses, including the first Raman spectrum for natural fersmite. For columbite–(Mn) and columbite–(Fe), analytical results obtained before and after dry annealing in air indicate low degrees of accumulated self-irradiation damage, which corresponds well with low actinide concentrations.

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来源期刊

Mineralogy and Petrology 地学-地球化学与地球物理

CiteScore

2.60

自引率

0.00%

发文量

审稿时长

1 months

期刊介绍： Mineralogy and Petrology welcomes manuscripts from the classical fields of mineralogy, igneous and metamorphic petrology, geochemistry, crystallography, as well as their applications in academic experimentation and research, materials science and engineering, for technology, industry, environment, or society. The journal strongly promotes cross-fertilization among Earth-scientific and applied materials-oriented disciplines. Purely descriptive manuscripts on regional topics will not be considered. Mineralogy and Petrology was founded in 1872 by Gustav Tschermak as "Mineralogische und Petrographische Mittheilungen". It is one of Europe''s oldest geoscience journals. Former editors include outstanding names such as Gustav Tschermak, Friedrich Becke, Felix Machatschki, Josef Zemann, and Eugen F. Stumpfl.