The Xiuyan Jade samples were treated under thermal conditions. By polarizing microscope, the three kinds of jade were ch......

In this work, different magnesium silicate mineral samples based on antigorite, lizardite, chrysotile (which have the sa......

Having beautiful colours and fine features, Xiuyan jade is famous in the world. Mineralogically, Xiuyan jade is serpenti......

软玉市场近期出现的一种名为"卡瓦石"的仿软玉籽料,其外观特征与软玉籽料非常相似.采用常规宝石学测试手段,并结合红外光谱、紫外-......

河南省淅川黑绿玉质地细腻,颜色浓绿,为一种新型的玉石材料。本文对黑绿玉的矿物成分作了详细的研究,结果表明:黑绿玉的主要矿物成......

本文重点考察了叶蛇纹石的晶体结构和在乙基黄药体系下叶蛇纹石的可浮性,以及添加分散剂对叶蛇纹石可浮性的影响。并对分散剂对叶......

对不存在特征变质矿物的蛇纹岩进行温压条件的限定是一个难题,因为其中的主要矿物叶蛇纹石可以在约400~700℃,1.0~5.0 GPa以上的温......

岫岩玉是我国的主要玉种之一,属于蛇纹石玉。在X射线衍射、红外光谱、可见光吸收谱,及电子显微镜等项研究确切查明主体矿物为叶蛇......

In this work, different magnesium silicate mineral samples based on antigorite, lizardite, chrysotile(which have the sam......

Covered by ultrabasic units for more than a third of its surface,the New Caledonia(South West Pacific)is one of the larg......