Tourmaline is a gem-level crystal jewelry in the crystal family. A precious tourmaline is expensive. So how do you judge the quality of tourmaline? The evaluation of tourmaline quality includes six aspects: color, workmanship, transparency, clarity, artistic connotation, and rarity. Among them, tourmaline is a gem-level crystal jewelry in the crystal family. A precious tourmaline is expensive. Then, tourmaline is good How is it bad? The evaluation of tourmaline quality includes six aspects: color, workmanship, transparency, clarity, artistic connotation, and rarity, of which color is particularly important. Of all gems, tourmaline has the most abundant color. According to its color and special optical effects, it can be divided into several varieties: red-pink tourmaline (rubel tourmaline). Brazil’s pink tourmaline is called'Brazilian ruby', and the most valuable ones are commercially called'double pink' tourmaline, blue tourmaline (blue tourmaline green one emerald green tourmaline (green tourmaline); two-color tourmaline, inner infrared green time It is called'watermelon tourmaline'. The color of high-quality tourmaline is rose red and fuchsia, and the price is relatively expensive. The price of pink tourmaline is relatively low. Green tourmaline is top-grade with bright green, followed by yellow-green. Pure blue and medium The blue tourmaline produced is less and also has a higher value. In addition to the color, high-quality tourmaline should also be crystal clear, regular cut, symmetrical, and polished. The special optical effect will also increase the value of the tourmaline. 1 , The colors are rose red, purple red, green and pure blue and pretty watermelon color as the best, pink and yellow are the next, colorless, and black. The same color is divided into 4 levels according to the intensity of the color. They are rich, medium, light, and dark colors! 2, the clarity requires as few internal flaws as possible, and the price of crystal-clear and flawless tourmaline is the highest. Tourmalines with many fissures and gas-liquid inclusions are usually used as jade carving materials. Internationally, tourmalines are cleaned. The degree is divided into 6 levels, namely, small noise (VVF), slight noise (VF), obvious noise (VL), slightly lint (VS), obvious lint (S), turbidity (C). 3, transparency refers to transparency It is the degree of transparency of tourmaline. The more transparent it resembles glass, the higher the value. The international classification is 4; SF, SS, SL, and opaque ( NL). 4. Workmanship/cut workmanship, inspecting tourmaline carvings, bead chains, and the appearance of polished craftsmanship. Compared with tourmaline ring noodles, it mainly examines the surface cut, which should be regular and proportioned. Symmetrical and well polished. Otherwise, it will affect the value. 5. Rarity Rarity refers to a composite index that comprehensively considers the four basic attributes of tourmaline's color, weight, transparency, and volume. This index directly affects the quality of a tourmaline Market value. 6. The artistic connotation mainly refers to the cultural connotation and artistic value of the tourmaline jewelry design. The above is the author's summary for you on how to see the good or bad information of tourmaline. The information comes from the Internet. Please forgive me if there is anything wrong. , If you need jewelry processing, inlay, and customization, please visit the official website of jewelry inlay. Jewelry inlay will serve you wholeheartedly!