1. Distinguir rubi e gemas naturais semelhantes (1) Espinélio vermelho. O espinélio vermelho tem cor uniforme e geralmente é incolor; sem dicroísmo, não há quatro fenômenos claros e quatro escuros sob uma lente polarizada; pode conter cristais negativos octaédricos e sem inclusões sedosas. (2) Granada de magnésia. A granada de magnésia vermelha é de cor uniforme; there […]
Arquivos de categoria: Notícias de jóias
A esmeralda é a variedade mais preciosa de pedras preciosas de berilo e uma das quatro maiores pedras preciosas do mundo. A Esmeralda fascinou pessoas de todas as idades com seu verdor e agradável aos olhos. Por causa de sua raridade e raridade, foi apreciado por muitos governos e famílias reais. Como a pedra de nascimento em maio, […]
(1) Cor: verde escuro, azul esverdeado, e verde-amarelo são comuns. Entre as gemas de cristal único que também são verdes, o verde da esmeralda é brilhante, puro e macio. (2) Espectro de absorção: mostra o espectro típico de pedras preciosas de cor cromo. (3) Pleocroísmo: A intensidade do pleocroísmo da esmeralda varia com a profundidade da cor. The dark emerald can […]
High-quality emeralds should be bright and pure emerald green. Variety of yellow, azul, cinza, brown and other variegated tones will reduce the color quality of emeralds; grandmothers with uniform color, uneven color or lighter color are required Green, its price is also lower. Além disso, due to the production environment, emeralds are very rich in […]
Chrysoberyl is derived from the Greek vocabulary, “Chryso” means golden yellow, e “beeryl” means beryl. Before the 19th century, it had been mistaken for a kind of beryl. The golden emerald symbolizes wealth, health and longevity. The golden emerald with cat’s eye effect is called cat’s eye, and the golden emerald with the color changing […]
The differences between golden emeralds and natural similar gems are as follows: (1) Yellow sapphire. The refractive index of yellow sapphire is higher than that of gold emerald; it is more common for sapphire to appear in the three directions of hexagonal ribbon and filamentous inclusion at the angle of 120 graus. . (2) Calcite. […]
Among natural gemstones, there is a gemstone that is very similar to ruby, and even for a long period of time in history, people thought it was ruby, which is spinel. Claro, spinel has many colors and is not limited to red. Spinel comes in various shades of color. It is roughly divided into […]
The word olivine comes from French Peridot. It is an ancient gemstone variety, chamado “the sun’s gem” nos tempos antigos. It can be used as a talisman, meaning that it can drive away evil like the sun. It is the birthstone of August, symbolizing peace, sucesso, and bringing good luck to the wearer. The colors […]
Red topaz has the highest color quality, the best quality is more expensive, followed by pink, blue and light yellow, and the colorless has the lowest value. Amarelo, marrom, and orange can be turned into pink or red by heating. This color is stable and will not change; yellow and orange can deepen the color […]
The common colors of zircon are colorless, azul, amarelo, verde, marrom, vermelho, e roxo. According to the degree of crystallinity, zircon can be divided into three varieties: high type, medium type and low type. The refractive index, densidade, and hardness value gradually increase from low type to high type. High-type zircon has a high birefringence, […]