Jewelry knowledge entry terminology
I often encounter some friends who can't buy jewelry. Today, the China Jewelry Merchants Network Xiaobian will introduce you to some jewelry knowledge and let you get started quickly in five minutes. If you want to buy jewelry, learn some jewelry knowledge first. Carat (Ct): is the mass (weight) unit of a gemstone. It is now set to 1 carat equal to 0.2 g or 200 mg. One carat is divided into 100 points, such as 50 points or 0.5 carats, used to calculate smaller stones. Clarity: Clarity consists of two parts, the original defects inside the gemstone and the flaws on the diamond surface during processing. ç‘•ç–µ: Refers to the jewels and jade surface, internal viscera, cracks, stains, lines, inclusions and other shortcomings. Surface pits or rust stains, as long as they do not penetrate the interior, can be removed by reworking or re-polishing; internal cracks, lines, and gas, liquid, and solid inclusions can only be reduced by various means of improvement or Eliminate their adverse effects on color, clarity and transparency. Jewelry Fire, also known as fire. The colored light reflected inside the faceted gemstone. The meaning is as follows: 1 When white light is injected into the faceted gemstone, when it is reflected or transmitted out of the gemstone, each wavelength of the white light is refracted at different angles to decompose the light, and the color of the spectrum is present—that is, the dispersion effect is in the facet The spectral color displayed on the surface of the stone. The colorless and transparent faceted gemstones show the dispersion effect of white light well; the color and transparency of colored faceted gemstones affect color and purity, and brightness. The shape and cut ratio of the gemstones, and the quality of the cuts have an impact on the quality of the fire. 2 Some literature emphasizes that fire color is a comprehensive expression of dispersion effect and flash effect. It is believed that a gemstone with a lower dispersion value can exhibit a good fire color as long as the grinding is good. Outcrop: When the proportion of the gemstone below the waist is too shallow, the fiber will flow away from the bottom or the side, losing brilliance, and the value of the gem will become lower. The butt is too thick: when the proportion below the waist of the gem is too deep, a black background will appear, and the light will flow away from the side and lose its brilliance. Cloud: a scorpion, milky, unclear natural inclusion, often composed of a small number of fine inclusions, 10 times magnification to observe the inclusion monomer, cloud inclusions often Affects the transparency and brightness of the diamond to form a flawed appearance. Scratch: A trace of a gem that is struck by an external force. Faceted gemstone: a gemstone with a smooth geometrically polished surface. Egg noodles, plain noodles: refers to non-faceted gemstones, which have no regular, geometrically polished surfaces such as round gemstones. Burning, no burning: refers to heat treatment, optimized without heat treatment. GRS, Gull Berlin, GIA and other international certificates, met with no burns. Domestic certificates are usually not indicated. Dispersion, the light entering the gem, the internal reflection according to the angle of the different planes, the distribution of the light reflects the rainbow seven colors, called dispersion. Fire chroma: The jewel decomposition reflects the intensity of the seven-color general light, which is closely related to the cut ratio and symmetry. Pigeon blood red: Pigeon blood red is a commercial concept, because the fresh arterial blood of adult pigeons is close to this strange red color, so this ruby ​​is named "pigeon blood red". Royal Blue: The color of Royal Blue is a thick blue with a slight purple tone. It has a deep, elegant and elegant temperament. Because the royal blue gems have considerable requirements on the color, concentration and saturation of the color, the market High quality sapphire machine collection value. Jewelry knowledge entry terminology Bluebonnet Blue: The "corner" sapphire in Kashmir has always been hailed as the best of sapphire, with a sleek, purple-toned, rich blue color that gives a velvety look. Starlight: It also becomes a starlight effect, which is a reflection effect caused by two intersecting primary bands of light passing through the surface of a gemstone. It is usually reflected by thin fibers or needle-like flaws in all directions. Formed into 6 bundles, 4 bundles and 12 rare stars. Ruby and sapphire are prone to this phenomenon. Multi-color: When looking at a gem from a different angle, it will look different colors. Fainting: This is the effect of many gems like rainbow colors, which are caused by cracks or structural layers that block light into special colors. Black Opal is a gem that shows this effect. For pearls, fainting becomes "pearl luster." Jewelry knowledge entry terminology Cat's Eye: The phrase Catoyancy comes from the French "Chat" (cat) and "Oeil" (eye), now commonly known as "Cat's eye" ("Cat'seye"), meaning the cat's eyes. Because there are many gems in nature, when it is processed into a curved shape, a bright and fascinating (flash or live) light band appears on the curved surface, which is like a slender cat's eye. Name, while today's cat's eye refers to the gold emerald cat's eye, while other gemstones with cat's eye effect need to be preceded by the name of the gemstone, such as apatite cat's eye, striated cat's eye. Discoloration: A discolored gemstone is a gemstone that undergoes a distinct color change when viewed under two different light sources. The gemstones that appear this phenomenon are: gold emerald, sapphire, and discolored garnet. Inlays: Common common ways are: bagging, pavé setting, channel setting and claw setting. Claw setting: This is the most frequently used gem setting. Equipped with small metal claws, these metal tweezers have vise-like clips that bend toward the waist of the gemstone, ensuring a safe and long-lasting position for the gemstone. Beaded: A side with a strip of steel to the wrinkled beads, giving the edges the effect of a coin edge. Sandblasting: A frost-covered, matte finish that is commonly used in precious metal jewelry. Lobster Claw: A type of claw that is shaped or buckled when the jewel is fixed or buckled. This buckle has a spring arm to keep the claws firmly closed. 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