Among the five continents, Asia is not the continent with the most gem varieties and production. The other four continents have their own strengths. 2. Africa The African continent is extremely rich in gem production and is known as the richest gem warehouse on earth. The main gems are diamonds, smaragder, tanzanitter, gylne smaragder, rubiner, [...]
Kategoriarkiv: Smykkernyheter
The strength of dispersion of different gemstones is different. It is usually expressed by the difference between the refractive index measured by red light at 686.7nm and purple light (460.8nm 1), and is called dispersion value. Generelt, the dispersion value greater than 0.03 is called strong dispersion. Colorless or light-colored gems with strong dispersion can [...]
1. Helps identify gem species There are special inclusions in some gems, and the types of gems can be determined by studying these inclusions. For eksempel, rubies often contain needle-shaped rutile particles, and they intersect at 60 angles. This is determined by the symmetry of the ruby itself. Derfor, it is a unique inclusion of [...]
Folk kaller vanligvis inneslutningene i edelstener "urenheter." Derfor, inneslutningene i edelstener er også en faktor for å vurdere kvaliteten på edelstener; for eksempel, i kvalitetsevaluering av diamanter, et viktig kriterium er "klarhet", det er, rensligheten av det indre av perlen. Generelt sett, jo mindre urenheter i edelstenen, de [...]
Bergkrystall, mineralnavnet er kvarts, er en veldig gammel perle. I tusenvis av år, krystall har blitt sett på som et symbol på urokkelig, renhet og vennlighet med sin renhet, gjennomsiktig og hard tekstur. Legenden sier at da de gamle romerne først skaffet krystall i Alpene, de trodde det var endret av [...]
Corundum is a mineral name, the English name is Corundum. Among corundum minerals, corundum that reaches gem level is called corundum gems. Corundum gemstones include rubies and sapphires. The red ones (medium shades of red to dark red to purple) are called rubies, and the other colors are collectively called sapphires, including pink and sapphires. [...]
The cabochon type of gemstones is also called the body type or convex type. It consists of a polished arc-shaped top surface and a rough ground but not polished bottom surface. Its main feature is that the ornamental surface is a polished curved surface. Curved cuts are divided into three categories according to the top [...]
Crystal is now a frequent visitor in the jewelry market. It should be pointed out that there are natural crystals and artificial crystals. Man-made crystals, to put it plainly, are glass, fargerik, lav kostnad, and very popular. The natural crystal is the essence of the earth for hundreds of millions of years. Det er sjeldent, [...]
I følge forskning, humans learned to use crystal to grind decorative gems and carved art crafts in prehistoric times. In prehistoric times, the ancestors of Egypt and Europe used crystals as axes, scrapers and weapons, and American Indians believed that crystals could suppress demons and ward off evil and be invincible. The ancient Mayans used [...]
Crystal not only has colorful colors and crystal clear luster, but also has spirituality and energy that other gems do not possess. Derfor, it is deeply loved by astrology masters and prophets and has become a medium for them to communicate with the spiritual world. It is said that it also has the effect of [...]