山东昌乐蓝宝石的特征研究

我国新第三纪玄武岩中的蓝宝石往往存在颜色深暗、透明度差、净度低、色调不纯正、颜色不鲜艳等缺陷。本文通过矿物学和宝石学研究 ,认为山东昌乐蓝宝石具有颗粒大、净度好、透明度高、色调纯正、亮度较大、饱和度较高等特点 ,其质量较海南文昌、福建明溪和江苏六合蓝宝石为佳

Study on the Characteristics of Sapphires in Changle of Shandong Province

Sapphires occurring in Neogene basalt mainly distribute in Changle of Shandong province, Wenchang of Hainan province, Mingxi of Fujian province and Liuhe of Jiangsu province. The sapphires formed by this genesis always have some defects, such as:dark color, bad diaphaneity, low purity, unpure color tone and unbright color. Through the study on mineralogy and gemology of the sapphires in Changle of Shandong province and contrast with others, it is considered that the sappphires in Changle of Shandong provinc...