Raman spectroscopic study of the mineral shattuckite Cu5(SiO3)4(OH)2

被引：7

作者：

Frost, Ray L. ^{[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 | 2012年 / 87卷

基金：

澳大利亚研究理事会;

关键词：

Shattuckite; Silicate; Raman spectroscopy; Hydroxyl ions; Plancheite; Dioptase; SOLID-STATE COMPOUNDS;

D O I：

10.1016/j.saa.2011.11.046

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Shattuckite Cu-5(SiO3)(4)(OH)(2) is a copper hydroxy silicate and is commonly known as a 'healing' mineral. Three shattuckite mineral samples from three different origins were analysed by Raman spectroscopy. Some Raman bands are common in the spectra of the minerals. Raman bands at around 890, 1058 and 1102 are described as the nu(3)-SiO3 antisymmetric stretching vibrations. The Raman band at 670 cm(-1) is assigned to the nu(4) bending modes of the -SiO3 units and the band at around 785 cm(-1) due to Si-O-Si chain stretching mode. Raman (and infrared) spectroscopy proves that water is in the molecular structure of shattuckite; thus the formula is better written as Cu-5(SiO3)(4)(OH)center dot xH(2)O. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：241 / 244

页数：4

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