摘要
山东昌乐蓝宝石具有储量丰富、颗粒大、品位高、结晶好的特点。原生矿产于第三纪的尧山组玄武质碧玄岩中，砂矿则分布于方山周围的水系中。昌乐蓝宝石颜色多样，品种丰富，但大多数蓝宝石颜色偏深，透明度差，通过优化处理可以提高其质量。蓝宝石中含有多种包裹体，加工时一定要按理论值确定亭部角，保证不降低宝石的档次。
The Changle sapphire in Shandong Province is characteristic of rich reserves,large grain,high grade and good crystal shape.The native minerals originating from Tertiary basanite of Yaoshan formation,the placer is in water systems around Fangshan.There are many kinds of colours and variteries in Changle sapphire.Most are dark blue and poor transparence.After optimization,its qualities can be improved.There exist many natural inclosures in Changle sapphire.The angles of pavilion must be determined according to theory value in processing to keep up theirs grade.
出处
《山东建材学院学报》
1997年第3期193-196,共4页
Journal of Shandong Institute of Building Materials
