翡翠的结构特征及其对翡翠质量的影响  

Jadeite texture features and their influences on the jadeite's quality

作　　者：谢星[1] 王崇礼[1] 梁婷[1] 

机构地区：[1]长安大学地球科学与国土资源学院,陕西西安710054

出　　处：《地球科学与环境学报》2005年第3期15-18,共4页Journal of Earth Sciences and Environment

摘　　要：通过对市面上常见翡翠结构的研究表明,翡翠的结构类型主要为:变晶结构、交代结构和碎裂结构,其中以粒柱状变晶结构最具代表性。不同结构的翡翠质量具有一定差异:变晶结构中以显微纤状变晶结构为最佳,具此结构的翡翠可达半透明至全透明;具交代结构的翡翠中常因含有钠质闪石、钠长石或绿泥石,且使翡翠的粒度不均匀而使其质量变差;具碎裂结构的翡翠硬度将略有降低,因而也会影响翡翠的质量。The study of jadeite＇s textures shows that the main texture types of the jadeite are crystalloblastic metasomatic and cataclastic ones. The jadeite＇s quality with different textures is varied. The jadeite＇s quality with the micro-crystalloblastic fiber texture is high, whereas that with the metasomatic texture is poor because there are sodium amphibole, albite or chlorite in it. The jadeite＇s quality with cataclastic texture is also poor because its hardness with this texture will decrease.

关 键 词：翡翠 结构特征 质量 

分 类 号：P578.954[天文地球—矿物学]