碧玺真假最简单的鉴别步骤如下:
工具:碧玺。
1、碧玺拥有强双折射率,如果从宝石的台面向下观察,可以见到碧玺底棱呈明显的双影现象。
![](https://iknow-pic.cdn.bcebos.com/5fdf8db1cb1349541e8caaf7444e9258d0094a96?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、强二色性,红色碧玺常显红色和粉红色的二色性,绿色碧玺常显示绿色和淡绿色二色性。
![](https://iknow-pic.cdn.bcebos.com/6d81800a19d8bc3e959a4459908ba61ea9d34596?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、碧玺经常被琢磨成祖母绿阶梯形状,因此在平行阶梯长边的方向经常可见一些管状的包裹物或棉絮物,而在平行阶梯短边的方向观察经常会发现其颜色变深。
![](https://iknow-pic.cdn.bcebos.com/241f95cad1c8a786f8b8089d7509c93d71cf5096?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、由于碧玺不同方向对光的吸收不同,这一特性可用来鉴定碧玺和一些合成的仿制品。
![](https://iknow-pic.cdn.bcebos.com/d788d43f8794a4c235b1a5b81cf41bd5ac6e3996?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、碧玺又称电气石,所以碧玺具有电性,碧玺受热、摩擦或太阳的辐照下,其外表会带有电荷,能吸附空气中带异性电荷的灰尘、纸屑。
![](https://iknow-pic.cdn.bcebos.com/aa18972bd40735fabf620c2a8c510fb30e240896?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)