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黄钻,即黄色钻石,是彩色钻石中较为常见且备受喜爱的一种,以下是关于黄钻的详细信息:

基本信息

黄钻是彩色钻石的一种,其颜色来源于钻石晶体结构中渗入的氮元素。氮原子取代了部分碳原子后,吸收了可见光中的蓝色部分,从而使钻石呈现出黄色。黄钻的颜色从浅黄色到浓烈的金黄色不等,其中金黄色最为珍贵。

化学成分

黄钻的主要成分是碳(C),其黄色是由于晶体结构中掺杂了氮(N)元素。氮原子的加入改变了钻石对光线的吸收特性,导致其呈现黄色。

物理特性

黄钻的物理特性与普通钻石相似,具有极高的硬度(莫氏硬度为10),是自然界中最坚硬的物质之一。其光学特性使其具有出色的光泽和火彩,黄色调的加入则为其增添了独特的魅力。

产地

黄钻的产地分布较广,但深黄色调的黄钻主要集中在非洲南部和中部地区。其中,塞拉利昂的Zimmi矿区以出产高饱和度、浓烈迷人的“金丝雀黄钻”而闻名,其颜色通常达到艳彩黄级别,价值极高。此外,南非、刚果(金)等非洲国家也是重要的黄钻产地。

切割方式

黄钻的切割方式多样,但通常不采用圆形切割,因为这种切割方式会损失较多重量。常见的切割方式包括椭圆切割、水滴切割、祖母绿切割和雷迪恩切割等。这些切割方式能够更好地保留黄钻的重量,同时突出其色彩。

价值

黄钻的价值取决于颜色、净度、切割和克拉重量。颜色分级从低到高依次为:Light(浅色)、Fancy Light(淡彩)、Fancy(中彩)、Fancy Intense(浓彩)、Fancy Vivid(艳彩)、Fancy Deep(深彩)和Fancy Dark(暗彩)。其中,艳彩黄钻最为珍贵。此外,黄钻的产量仅占天然钻石的0.1%,稀有性使其具有较高的收藏价值。

文化意义

黄钻象征着财富、奢华和成功。它被认为是一种能够带来好运和提升事业成就的宝石。在珠宝设计中,黄钻常被用于高端珠宝,尤其受到名人的喜爱,例如Lady Gaga在奥斯卡红毯上佩戴的Tiffany黄钻项链。

黄钻以其独特的色彩和稀有性,在珠宝市场上备受追捧,无论是作为投资收藏还是日常佩戴,都具有极高的价值。

冰糖湘莲是湖南省的传统名菜之一,属于湘菜系的甜品。它以湘莲(莲子)为主料,搭配冰糖等辅料制作而成,具有色泽洁白、莲子粉糯、香甜爽口的特点。以下是冰糖湘莲的制作方法、特色和营养价值的详细介绍:

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冰糖湘莲的制作方法

材料准备

? 湘莲(莲子)200克

? 冰糖300克

? 桂圆肉25克

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