When naming the natural jewellery and jade to be imitated, it should be prefixed with the word "imitation", such as "imitation emerald", "imitation pearl", etc. The use of imitation gems does not represent the specific category of jewelry and jade. The name of the specific jewelry and jade should be given as much as possible, [...]
Category Archives: Jewelry News
Ruby is the birthday stone in July and the commemorative stone for the 40th anniversary of marriage. It is said that wearing rubies can protect people from harm, make people healthy, live longer, get rich, be wise, and be happy in love. Sapphire is the birthstone in September and the 45th anniversary of marriage. For [...]
1. colour The colors of gems have differences in color hue, saturation, and color brightness, as well as differences in the uniformity of color distribution and the degree of multicolor. The pros and cons of ruby color hue are: pure red, orange red, dark red, pink (purple) red, with pure spectral red as the top [...]
1. Distinguishing ruby and natural similar gems (1) Red spinel. The red spinel has uniform color and is generally colorless; no dichroism, no four bright and four dark phenomena under a polarized lens; it can contain octahedral negative crystals and no silky inclusions. (2) Magnesia garnet. The red magnesia garnet is uniform in color; there [...]
Emerald is the most precious variety of beryl gemstones and one of the four largest gemstones in the world. Emerald has fascinated people of all ages with its verdure and pleasing to the eyes. Because of its rarity and rarity, it has been cherished by many governments and royal families. As the birthstone in May, [...]
(1) Color: dark green, blue-green, and yellow-green are common. Among the single crystal gemstones that are also green, the green of emerald is bright, pure and soft. (2) Absorption spectrum: shows the typical spectrum of chromium-colored gemstones. (3) Pleochroism: The intensity of emerald's pleochroism varies with the depth of the color. The dark emerald can [...]
High-quality emeralds should be bright and pure emerald green. Variety of yellow, blue, gray, brown and other variegated tones will reduce the color quality of emeralds; grandmothers with uniform color, uneven color or lighter color are required Green, its price is also lower. In addition, due to the production environment, emeralds are very rich in [...]
Chrysoberyl is derived from the Greek vocabulary, "Chryso" means golden yellow, and "beeryl" means beryl. Before the 19th century, it had been mistaken for a kind of beryl. The golden emerald symbolizes wealth, health and longevity. The golden emerald with cat's eye effect is called cat's eye, and the golden emerald with the color changing [...]
The differences between golden emeralds and natural similar gems are as follows: (1) Yellow sapphire. The refractive index of yellow sapphire is higher than that of gold emerald; it is more common for sapphire to appear in the three directions of hexagonal ribbon and filamentous inclusion at the angle of 120 degrees. . (2) Calcite. [...]
Among natural gemstones, there is a gemstone that is very similar to ruby, and even for a long period of time in history, people thought it was ruby, which is spinel. Of course, spinel has many colors and is not limited to red. Spinel comes in various shades of color. It is roughly divided into [...]