Raman spectroscopy of the multi anion mineral arsentsumebite Pb2Cu(AsO4)(SO4)(OH) and in comparison with tsumebite Pb2Cu(PO4)(SO4)(OH)

被引：6
|
作者：
Frost, Ray L. [1 ]
Palmer, Sara J. [1 ]
Xi, Yunfei [1 ]
机构：
[1] Queensland Univ Technol, Fac Sci & Technol, Chem Discipline, Brisbane, Qld 4001, Australia
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2011年 / 83卷 / 01期
基金：
澳大利亚研究理事会;
关键词：
Raman spectroscopy; Arsentsumebite; Tsumebite; Phosphate; Arsenate; Sulphate; COPPER PHOSPHATE MINERALS; CRYSTAL-STRUCTURE; VIBRATIONAL SPECTROSCOPY; BRACKEBUSCHITE; PSEUDOMALACHITE; MICROSCOPY; BEARTHITE;
D O I：
10.1016/j.saa.2011.08.063
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The mineral arsentsumebite Pb2Cu(AsO4)(SO4)(OH), a copper arsenate-sulphate hydroxide of the brackebuschite group has been characterised by Raman spectroscopy. The brackebuschite mineral group are a series of monoclinic arsenates, phosphates and vanadates of the general formula A(2)B(XO4)(OH, H2O), where A may be Ba, Ca, Pb, Sr, while B may be Al, Cu2+,Fe2+, Fe3+, Mn2+, Mn3+, Zn and XO4 may be AsO4, PO4, SO4, VO4. Bands are assigned to the stretching and bending modes of SO42- AsO43- and HOAsO3 units. Raman spectroscopy readily distinguishes between the two minerals arsentsumebite and tsumebite. Raman bands attributed to arsenate are not observed in the Raman spectrum of tsumebite. Phosphate bands found in the Raman spectrum of tsumebite are not found in the Raman spectrum of arsentsumebite. Raman spectroscopy readily distinguishes the two minerals tsumebite and arsentsumebite. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：449 / 452
页数：4
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