第499章(第1页)
日光石又名“太阳石”。
因晶体中含有赤铁矿、针铁矿和云母等矿物包裹体,对光反射而出现金黄色耀眼的闪光,即呈现“日光效应”,故称为日光石。
它是长石族的重要宝石之一,有的日光石颜色稀有,而且还要极为独特地砂金效应。
砂金效应来自于晶体中包裹的细小铜片晶,非常规的片状赤铁矿随着宝石的转动,能反射出红色或金色的反光,这种现象称为洒金现象,也叫砂金效应。
日光石丰富的颜色是其最重要的特色,透明、香槟色、黄色、浅粉色、鲑鱼肉色、橙色和红色,甚至还有带蓝绿色调的,十分绚烂迷人。
更难得的还有双色、甚至多种颜色集于一石上,这也很大的提升了宝石的魅力。
在美丽程度上,就算是钻石也无法与它媲美。
通常来说,一般的日光石和月光石一样不算高级宝石,一克拉几百几千的都有。
但不同颜色的日光石价格差异巨大,颜色越鲜艳,价格越高。
而且,每吨玄武岩只能产出不到一斤的日光石原石,而且其中百分之七十五为无色或黄色,百分之二十五为红色、绿色、双色或蓝色。
最高品质的红色日光石一般不足百分之一!
所以越稀有越珍贵,越好看越独特,就越值钱!
当然,除此之外还要看宝石的大小,和宝石的品质,有无杂裂等等,成品的话还要切工和款式。
但限制于它的出产地通常是矿场,一般能超过一斤的都算稀少。
工作人员托盘里的这一块,竟然足有四十斤!
而且有明显的砂金效应,颜色为稀少珍贵的鲜红色,乃是最顶尖的尖晶石红!
普通尖晶石红都是一克拉上万起,这里这么大一块......
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