Vibrational spectroscopy of the borate mineral olshanskyite Ca3[B(OH)4]4(OH)2

被引：3
作者：
Frost, Ray L. [1 ]
Xi, Yunfei [1 ]
Scholz, Ricardo [2 ]
Alves Pereira, Matheus da Costa [3 ]
机构：
[1] Queensland Univ Technol, Fac Sci & Engn, Sch Chem Phys & Mech Engn, Brisbane, Qld 4001, Australia
[2] Univ Fed Ouro Preto, Sch Mines, Dept Geol, BR-3540000 Ouro Preto, MG, Brazil
[3] Univ Fed Ouro Preto, Sch Mines, Dept Met Engn, BR-3540000 Ouro Preto, MG, Brazil
来源：
CARBONATES AND EVAPORITES | 2014年 / 29卷 / 01期
基金：
澳大利亚研究理事会;
关键词：
Raman spectroscopy; Borate; Hydroxyl; Olshanskyite; FT-IR; OKAYAMA PREFECTURE; CRYSTAL-STRUCTURE; INFRARED-SPECTRA; GLASSES; RAMAN; JAPAN; FUKA; LEAD; EPR;
D O I：
10.1007/s13146-013-0162-5
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
The mineral olshanskyite is one of many calcium borate minerals which has never been studied using vibrational spectroscopy. The mineral is unstable and decomposes upon exposure to an electron beam. This makes the elemental analysis using EDX techniques difficult. Both the Raman and infrared spectra show complexity due to the complexity of the structure. Intense Raman bands are found at 989, 1,003, 1,025 and 1,069 cm(-1) with a shoulder at 961 cm(-1) and are assigned to trigonal borate units. The Raman bands at 1,141, 1,206 and 1,365 cm(-1) are assigned to OH in-plane bending of BOH units. A series of Raman bands are observed in the 2,900-3,621 cm(-1) spectral range and are assigned to the stretching vibrations of OH and water. This complexity is also reflected in the infrared spectra. Vibrational spectroscopy enables aspects of the structure of olshanskyite to be elucidated.
引用
收藏
页码：33 / 39
页数：7
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