Wat is die snit van 'n diamant? Het jy al ooit opgelet hoeveel oppervlaktes 'n diamant het? 'n Diamant se snit verwys na hoe goed die afmetings van 'n diamant is, en hoe hierdie oppervlaktes, of fasette, is geposisioneer om glans en glans te skep. Byvoorbeeld, what is the ratio of the diamond’s diameter in comparison […]
Kategorie -argiewe: Juwele nuus
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, rooi, pers, orange and even red with a brown tone. English rubellite is derived from Latin, the original meaning is red; die […]
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 […]
Die naam van granaat, Granaat, 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 en 7.5, goeie taaiheid, 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. Dit is die […]
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. Hulle is […]
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 […]
Daar is kunsmatige spinelprodukte in die edelsteenmark. Die tradisionele sintesemetode word gesintetiseer deur die vuursmeltmetode. In onlangse jare, die spinel wat deur die vloeimetode gesintetiseer is, het ook die mark betree. Die voorkoms en interne voorkoms van die kunsmatige spinel wat deur die vloedmetode gesintetiseer is, is bekendgestel. , 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, En hardheid 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 […]
