Soweto(索韦托)珠宝商是南非希望的象征
类似石与仿制宝石材料简介
珠宝行业使用特定术语描述人造的和外观相似的宝石,即合成材料和类似石。它们之间的差别十分微妙,但极其重要。合成材料是指与天然宝石材料具有相同的化学组成、晶体结构以及光学特性和物理特性的人造材料。除此之外,还有一些材料本身看起来就像天然宝石。这些材料被称为类似石或仿品,可以是天然的,也可以是人造的。而替代品则是老术语,与类似石或仿品意思相同。
钻石的历史与知识
彩钻描述
斯里兰卡卡达拉加玛附近的蓝宝石热潮(2012 年 2 月 - 3 月)
马达加斯加 Didy 地区出现大量红宝石和蓝宝石(2012 年 4-6 月)
Supporting the Researchers of Tomorrow
Rare Faceted Väyrynenite
Uniquely saturated examples of the collector stone were on display at GJX.
Update on Montana’s Rock Creek Sapphire
Impregnated and Dyed Turquoise
Natural turquoise has been subjected to dyeing and three types of impregnation.
Chart: Inclusions in Natural, Synthetic, and Treated Sapphire
Provides a visual guide to the internal features of natural, synthetic, and treated sapphires.
Phenomenal Gems
A look at the most popular phenomenal gems exhibited at the 2025 Tucson gem shows.
Paraíba Tourmaline Melee: An Entry-Level Market Perspective
Color Characteristics of Blue to Yellow Beryl from Multiple Origins
Discusses the features of alkali elements and their influence on the color of blue to yellow beryl.
Phenomenon Resembling Play-of-Color in Sapphire
A phenomenon resembling play-of-color was seen in a 4.13 ct unheated sapphire recently examined by the author.

.jpg)


