The colloid adhered the surface of jadeite , formed limonite after dehydrating and crystal . then the secondary color came into being owing to the limonite subsidence . the iron ion which are needed for the secondary color mainly came from outside 对于硬玉所占比例比较大的翡翠，翡翠次生色形成所需的铁主要来自于外界，对于含有富铁矿物的硬玉，既有自身析出的铁，又有来自外界的铁。
The healing power of purple jade is similar to the amethyst . it boosts production of hormones , tunes the endocrine system and metabolism , strengthens the immune system , and cleanses the blood . it eases headaches and releases tension , reduces bruising , injuries , and swellings 一般常把紫玉误认为紫玉髓，其实是两种完全不同的东西，因为紫玉髓是紫色的玛瑙，属于石英类，而紫玉是有连锁颗粒结构的辉石结晶组成，属于硬玉的一类。
The rock texture ， mineral occurence feature ， ore electronmagnetic milling and applied possibilities in ceramics and glass of the jadeite metamorphic aegirine - augite nepheline syenite in suizhou ， hubei were studied . the results show that the ore deposit combines the advantages of mining and milling ， and the finished ore by single electronmagnetic milling may be fully utilized as the raw materials for ceramics and glasses . meanwhile ， another important fact is that the compositon with 90 percent raw ore may be manufactured into the wall and floor tiles with glaze , which was affirmed by a lot of experiment research 随州硬玉质变霓霞正长岩的岩石组织结构、矿物赋存状态、矿石可选性和玻璃陶瓷原料应用试验研究表明：该资源具有易采易选两大优点，矿石经单一磁选的精矿可作玻璃和陶瓷的原料；同时已反复试验证实该资源可烧成原矿用量达90的釉面墙地砖。
The high - pressure metamorphic rocks in northeastern jiangxi province include such types of rocks as jadeite - bearing aegirine - augite albite amphibole schist , jadeite - bearing aegirine - augite quartz albitite , aegirine - augite - bearing amphibole quartz albitite , aegirine - augite - bearing albite amphibole schist , winchite quartz albitite , and magnesio - riebeckite quartz albitite 摘要赣东北高压变质岩包括含硬玉霓辉石钠长角闪片岩、含硬玉霓辉石石英纳长石岩、含霓辉石角长闪石英钠长石岩、含霓辉石钠长角闪片岩、蓝透闪石石英钠长石岩、镁钠闪石石英钠长石岩等岩石类型。
