Articles About Coloured Gemstones

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祖母绿

祖母绿是矿物贝利家族的一员,比其他所有绿柱石品种都更有价值,是最受珍视的宝石之一。 祖母绿是五月的诞生石。 祖母绿历史 祖母绿这个名字源于法语单词“esmeralde”,通过拉丁语“smaragdus”意为“绿色宝石”。古埃及人在三千多年前就开采了祖母绿,据说古埃及女王克利奥帕特拉是一位狂热的收藏家。 在16世纪,西班牙探险家发现阿兹特克人和印加人手中拥有大型祖母绿。这导致他们发现了哥伦比亚著名的科斯克斯、奇沃尔和穆佐矿山。 绿色祖母绿 祖母绿的颜色可以有所不同,世界各地的许多专家争论哪种颜色最好。蓝绿色到纯绿色的祖母绿是最理想的。所有绿色的绿柱石标本都是祖母绿吗?如果一块石头的色调过浅、过黄或过蓝,它就不会被称为祖母绿,而是被称为绿柱石、黄柱石或海蓝宝石。 祖母绿适合日常佩戴吗? 选择祖母绿时要注意颜色的深浅。祖母绿通常存在许多包裹体,这些包裹体的正确术语是“Jardin”,这是法语中的“花园”的意思。不幸的是,这些包裹体表示晶体内存在结构性的薄弱点。因此,祖母绿需要小心佩戴,因为完美无瑕的祖母绿相对较少。 在莫氏硬度等级表上,祖母绿的硬度为7.5-8,是脆弱的宝石。我们建议设计祖母绿首饰以保护宝石免受碰撞损伤,包括将其放入订婚戒指中。 通过加工处理来提高宝石的质量是非常常见的做法。一些常见的处理方法包括填充玻璃和填充油,这些技术用于填补裂缝和瑕疵。填充这些材料使祖母绿的颜色更绿,更清晰。这些处理方法,像所有宝石的处理方法一样,卖方必须明确说明这些处理方法。 世界上最著名的祖母绿是什么? 伊丽莎白·泰勒(Elizabeth Taylor)的祖母绿吊坠是最昂贵的祖母绿珠宝之一。 2011年,泰勒的吊坠在拍卖会上以惊人的6,578,500美元售出。 世界各地都有许多皇室祖母绿珠宝。其中最著名和最昂贵的之一是瑞典皇室家族拥有的祖母绿和钻石头饰,价值12.76万美元。

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