“新闻研究” 7 月 24 日关于某些蓝色蓝宝石加热后产生的特性 - 回应文章。

呈现细节并在检测到刚玉中的硅时发出警告。硅可能影响经铍 (Be) 扩散处理的蓝宝石的颜色。

对一组带有非比寻常的亮紫色和强烈游彩的蛋白石进行检验。

GIA 有色宝石服务全球总监为宝石材料和处理工艺的鉴定提升宝石学标杆。

这些都是珠宝和珠宝职业不会稍纵即逝的硬性指标。

GIA 现任的特聘研究员，在过去四十年里一直都是GIA在全世界宝石学卓越成就的代表。

美国宝石研究院 (GIA) 将业界领先的钻石鉴定服务直接推向重要的宝石市场，使得鉴定所的客户更易于获取服务。

虽然科学家推测钻石行星在银河系穿梭飞驰，但至少已有一种外星宝石降临地球。

这条小黑裙是衣橱必备品。 而某些宝石则是完美的衬托。

销量低迷的秋季过后，钻石和宝石的需求增加，但挑战依然存在

与化学蒸汽沉淀法 (CVD) 合成钻石相关的鉴定挑战

Borsheims Fine Jewelry and Gifts 总裁兼首席执行官以及 GIA 董事会成员 Susan Jacques 在一场 GIA 小型珠宝招聘会的小组讨论会期间讲述了取得事业的成功应具备的特质。

如果您要为情人节购买红色宝石，这里是一些有趣的选择，定有一种适合您。

Ruby and sapphire (usually blue, but also in every other color) have been the most important colored gemstones for several thousand years. Originating historically in southeast and central Asia, and more recently in eastern Africa, these colored varieties of the mineral corundum have been much sought as gems because of their rarity, color and durability. Gem corundum can display asterism and chatoyancy due to the presence of oriented mineral inclusions, and in some cases, a change of color when viewed under different light sources.

The first woman on the executive team and head of GIA’s innovative marketing and public relations efforts for nearly 30 years.

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology

This document provides the publication information for Gems & Gemology