碧玺的选购技巧,碧玺为什么这么贵,看

2025-04-04 04:39:03
推荐回答(1个)
回答(1):

1.看成色,观察碧玺整体的清透度及含绵体的程度,好的碧玺,成色特别亮、非常透彻,而工人染色的碧玺,颜色较吊滞,缺乏天然碧玺的自然“宝光”,另外碧玺的横断面呈弧面三角形,且体内含有可见管状包裹物。小家碧玺-静夫人
2.看颜色,碧玺的颜色有很多种,其中以红色、玫瑰红色、粉红色、蓝色、绿色、黄色、褐色、黑色、无色为主。价格最高的要数鲜蓝色和鲜红色,红绿双色、玫瑰红色、翠绿色的碧玺价格也非常高。
3.折射率,碧玺的折射率很大,从上往下看,可以看到底棱呈明显的双影现象。而且在透射光线下,从不同角度察碧玺,会发现颜色明暗程度和色调会发生不同的变化。这一点假碧玺是不具备的。还可以利用放大镜观察碧玺,其背面的刻面棱和杂质会出现重影效果。
4.掂重量,碧玺的密度要大于玻璃和水晶,在购买时,可用手或秤量下他们重量的差异。
5.透明度,好的碧玺晶莹剔透,那些具有明显雾感或不透明的碧玺一般都是次品。
6.具有电性,在碧玺受热时其表面会释放电荷,这些电荷可以吸引空气中的灰尘和纸屑,购买时可以用手摩擦或在太阳的辐照下使其变热,以观察它的带电性。
7.碧玺具有易脆性,在佩戴的时候应格外小心,避免其受到撞击。
8.重量相同的碧玺,会因色泽、净度、切工的不同而价值相差甚远。小家碧玺-静夫人

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