一月生日石柘榴石是品种最丰富的宝石之一,因为它有许多不同的颜色。柘榴石生日石可在世界各地进行开采,象征着许多不同的乐观情绪。了解更多关于这种独特生日石的信息。 紫水晶是二月生日石,是石英的紫色类别,据说可以预防醉酒,让人在生意中保持 ...
在过去的 35 年里,人们见证了深圳从一个贫穷的渔村转变成为一个现代化的大都市。 如今,它是中国最重要的经济中心之一,也是中国宝石和珠宝行业的前沿。 照片版权属 Istockphoto 。 简介 在过去 35 年间,深圳从一个非常贫穷的小渔村转变成为中国经济最发达 ...
Most colored gemstones form near the earth’s surface in a wide range of different environments; for example, they can crystallize from igneous magmas or hydrothermal solutions, or via the ...
Zircon comes in a wide variety of colors. Colorless zircon is well known for its brilliance and flashes of multicolored light, called fire. These two zircon properties are close enough to the ...
The best ametrines show distinct areas of orangy yellow and purple. These colors are featured in this graceful cut design. Photo by Lydia Dyer, © John Dyer & Co ...
Cultured pearls come in different sizes, shapes, and colors. Perhaps the best-loved gems of all time, pearls—both natural and modern cultured pearls—occur in a wide variety of colors. The most ...
Some mollusks (e.g. oysters) live in saltwater environments like oceans and bays, while others (e.g. certain mussels) live in freshwater environments like lakes and rivers. Pearls may form in mollusks ...
业内称为帝王拓帕石的宝石拥有非常珍贵的颜色,也非常罕见。 不同颜色的拓帕石其价值要素具有微妙差异。 帝王色、蓝色和黄色需根据相应的标准进行评估。 寻找珠宝商 使用邮政编码寻找您附近有 GIA 报告和有 GIA 训练有素的工作人员的珠宝商 。 验证您中 ...
A synthetic gem material is one that is made in a laboratory, but which shares virtually all chemical, optical, and physical characteristics of its natural mineral counterpart, though in some cases, ...
This sapphire from Kashmir has an intense velvety blue color. – Photo: Robert Weldon/GIA. Sapphire is one of the Big three of jewelry colored gemstones—the other two are ruby and emerald. A durable ...
GIA evaluates ruby but does not grade it. A GIA Colored Stone Identification & Origin Report assesses the characteristics of a ruby (weight, measurements, shape, cutting style and color), indicates ...
这块重 376.85 克拉的碧玺由 O. Hansen 精雕细刻,设计中巧妙利用了碧玺的各种颜色。 - 国家自然历史博物馆史密森尼学会 (Smithsonian Institution) Chip Clark 友情提供 在 16 世纪的巴西某地,西班牙征服者洗去绿色碧玺晶体上的泥土,却将这一鲜艳的宝石与祖母绿相混淆。