The most romantic ring-Paris kiss In gemology, the concept of “refractive index” is often mentioned, and in some places it is called “refractive index”. The refractive index is an important parameter reflecting the optical properties of gems. When light propagates from one medium to another, reflection and refraction occur at the interface between the two […]
Archivos de Categoría: Noticias de joyería
Planting wax trees is the first step in forming the jewelry after its modeling is completed. It is to glue the wax film of the jewelry together one by one, like a tree. In the process of planting wax trees, the following issues should be paid attention to. ① When planting wax trees, try to […]
The ability of a gemstone to resist mechanical action such as external pressing, scoring or grinding is called its hardness. The hardness of a gemstone is related to its crystal structure, chemical bond, and chemical composition. The hardness of gemstones can be divided into absolute hardness and relative hardness. The absolute hardness is measured by […]
Magnification inspection refers to the observation of internal features such as inclusions, estructura, textura, color bands, and stains of jewellery and jade, as well as external features such as original crystal planes, surface scratches, fractures, and open fissures, with the help of magnifying glass, microscope and other instruments. Magnification inspection is an important method in […]
Evaluating the quality of jade is a very important part of understanding jade. Sin embargo, the quality classification of jadeite is a very difficult task. The industry has not yet reached a consensus and has not formed a unified quality classification plan for jadeite, let alone establish a national standard for jadeite quality classification. La nobleza […]
Jadeite ocupa una gran proporción en el mercado de joyas de China y es profundamente amada por la gente. Además del color, la transparencia, estructura, claridad, tallado, y el tamaño de Jadeite también tienen una gran influencia en su valor. Brillo: la transparencia de Jadeite también se llama “cabeza de agua”. La mayoría de los jadees son translúcidos u opacos, and a few […]
A finales del siglo XIX, Los científicos han producido con éxito esmeraldas artificiales utilizando el método de flujo. Ponen la materia prima de Beryl, Agregar una pequeña cantidad de agente colorante óxido de cromo y flujo (como el molibdato de litio y el óxido de litio bario), etc., en un gran crisol hecho de platino, calentado a 800 ° C, smelted […]
El color de la aguamarina es tan azul como el agua de mar, y su agente de color es hierro. Entre los diversos colores de la aguamarina, Las más populares son las gemas azul oscuro y azul cielo. Aquamarine es un símbolo de felicidad y longevidad. En la Edad Media, La gente tenía la previsión de aquellos que llevaban aguamarina; otros […]
Brasil: The deposits are distributed in all regions of the country. Ural region of Russia: produces high-quality aquamarine. Otros: Mozambigue in Africa, Queensland in Australia, Burma, Porcelana, India, Kenya, Madagascar, Namibia, Nigeria , Zambia (Zambia), Srilanka (Srilanka), Tanzania (Tanzania) and the United States (U.S.A.) and other places also produce. The best method for identification: Natural […]
In addition to the green that does not have emeralds and the blue of aquamarine, natural noble beryl exists in the earth’s crust in various other colors, especially gold-yellow, yellow-green, amarillo, rosa, wine red and colorless colors. For common. Natural precious beryl has a glassy luster, sometimes showing a cat-eye effect. It is very sensitive […]