CONTRIBUTION TO HIGH-TEMPERATURE MODIFICATIONS OF THE ANHYDROUS ALKALINE-EARTH METAL SULFATES

被引:0
|
作者
BIMBERG, R [1 ]
ILLNER, N [1 ]
PUHLMANN, PW [1 ]
机构
[1] CARL ZEISS JENA GMBH, BEREICHE KRISTALLZUCHTUNG & WERKSTOFFLABOR, JENA, GERMANY
关键词
D O I
10.1002/crat.2170270807
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
Large synthetic crystals of alkaline earth metal fluorides, especially fluorite crystals, contain sometimes unknown small inclusions of hexagonal form. Samples of these crystals were investigated by microscope, X-ray, and microprobe analysis to identify the included small crystals. Optical behaviour of these inclusions, morphology, chemical composition, and the reaction with water allow their interpretation as high-temperature modifications of the anhydrous water soluble alkaline earth metal sulfates, partly transformed to the corresponding sulfides.
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页码:1037 / 1045
页数:9
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