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, včetně růžové, červený, fialová, orange and even red with a brown tone. English rubellite is derived from Latin, the original meaning is red; The [...]
Archivy kategorií: Novinky šperků
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 [...]
Název granátu, Granát, 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 a 7.5, dobrá houževnatost, silicate minerals containing different metal elements, garnets are divided into six categories due to the different metal [...]
Because of the variety of types, garnets are often sold under commercial names in the gem market, and the price varies greatly. This book introduces the more common garnets in the gem market. The following are the more common types in the market. Almandine: It is called noble garnet on the market. to je [...]
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. jsou [...]
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 [...]
Na trhu s drahokamy jsou produkty z umělého spinelu. Tradiční metoda syntézy je syntetizována metodou tavení ohněm. V posledních letech, na trh vstoupil také spinel syntetizovaný metodou toku. Byl představen vzhled a vnitřní vzhled umělého spinelu syntetizovaného metodou toku. , The content [...]
Spodumene gemstones in the jewellery market are the only gemstones that appear more frequently. Jeho index lomu je 1.655-1.680, birefringence difference is 0.015, dispersion ratio is 0.015, specific gravity is 3.15-3.20, and hardness is 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 [...]
Jak se říká, "Bez rozřezání jadeitu nevyrobíte", která plně vysvětluje důležitost šperkového stylu a střihu. Gemologové obvykle navrhují specifické styly podle optických vlastností různých drahokamů. Dopadající světlo se v maximální míře odráží zpět na šperkovnici, showing the unique dispersion effect of [...]