摘要
一种曾被鉴定为“瓷片”、“白云质玉”“玉髓”、“人造材料”和“凝脂玉”的玉石经鉴定 ,确定为“硅质玉”。这种玉石呈细粒晶质 -隐晶质结构 ,颜色洁白 ,质地细腻 ,具玻璃 -油脂光泽 ,折光率为 1.5 30～1.5 4 0 ,相对密度为 2 .5 35～ 2 .5 87,X光衍射及红外光谱分析确定它是石英质集合体。文章阐述了鉴定过程 ,并讨论了有关定名问题。
A kind of jade material which was said to be 'stoneware' 'dolomite jade' 'chalcedony' 'man made material' and 'lipide-like jade' was identified as 'quartz jade material' .The main evidence not only come from that jade material is pure white color ,with grain crystalloid-incrystalline structure,glass-oil luster, RI of 1.530-1.540, RG of 2.535-2.587 ,but also judge by X-diffraction and FTIR analysis. The process of appraisal and name was also given in this paper.
出处
《珠宝科技》
2004年第3期33-36,共4页
Jewellery Science and Technology
关键词
玉
鉴定
硅质玉
jade
identify
quartz jade material
