What Is The Cut Of A Diamond? Have you ever noticed how many surfaces a diamond has? A diamond’s cut refers to how well-proportioned the dimensions of a diamond are, and how these surfaces, or facets, are positioned to create sparkle and brilliance. Например, what is the ratio of the diamond’s diameter in comparison […]
Категория архива: Ювелирные новости
There are many colors of tourmaline, and the market can be divided into the following ten kinds according to the color. Rubellite: Rubellite is the general term for all red tourmalines, including pink, красный, фиолетовый, orange and even red with a brown tone. English rubellite is derived from Latin, the original meaning is red; а […]
Tourmaline is a very popular variety among colored gemstones. The quality and value of tourmaline are embodied in many aspects such as shape, color and optical effect. The editor of Baolong.com will edit a few points for you to use when choosing tourmaline gems or tourmaline jewelry. Tourmaline crystals are mostly long columnar, with high […]
The name of garnet, Гранат, evolved from the Latin Granatus, because its crystals are mostly granular, similar to mature pomegranate seeds. Garnet is a single-refraction gemstone of equiaxed crystal system, with hardness between 6.5 и 7.5, хорошая прочность, silicate minerals containing different metal elements, garnets are divided into six categories due to the different metal […]
Из-за разнообразия типов, гранаты часто продаются под коммерческими названиями на рынке драгоценных камней., и цена сильно варьируется. В этой книге представлены наиболее распространенные гранаты на рынке драгоценных камней.. Ниже приведены наиболее распространенные типы на рынке.. Альмандин: На рынке его называют благородным гранатом.. Это […]
Demantoid: Demantoid is the most expensive of all garnets. The color is yellow-green to green. Demantoid 0.057 has a higher dispersion rate than diamond 0.044, so the fire after cutting Excellent, the name of Demantoid comes from its Diamond-Iike Luster, which has the luster like a diamond. Other garnets are black and yellow-brown. Они есть […]
Some pink topaz is formed by heating light yellow topaz. This kind of heat treatment has a history of centuries. The pink topaz inlaid on some antique jewelry from the Middle Ages is heat treated. Because the color of this treatment is stable and long-lasting, it is recognized in the industry to be acceptable, regardless […]
There are artificial spinel products in the gem market. The traditional synthesis method is synthesized by the fire melting method. В последние годы, the spinel synthesized by the flux method has also entered the market. The appearance and internal appearance of the artificial spinel synthesized by the flux method have been introduced. , The content […]
Spodumene gemstones in the jewellery market are the only gemstones that appear more frequently. Its refractive index is 1.655-1.680, birefringence difference is 0.015, dispersion ratio is 0.015, specific gravity is 3.15-3.20, и твердость 6.5-7, but because it has a group The cleavage is quite complete, and it is easy to crack due to collision, […]
Hyacinth is composed of zirconium silicate, with a high refractive index of 1.78-1.987, and a very large birefringence difference of 0.059. As long as you use a magnifying glass to observe from the desktop, you can see the ridgeline of the bottom section of the double shadow, so it is easy to distinguish from diamonds […]