2022年07月31日 20:57
Jade can be cut to shape, manually, using diamond wire handsaw blades. Jade can be cut, mechanically, by using diamond cutting wheels or slitting discs attached to a rotary tool. Specialised Multi-functional Mini Table Saws are available for cutting jade.
Jade is difficult to understand, and values fluctuate wildly – from $3 to thousands per carat. For years, we were not able to master this multilayered gem with so many uses, definitions and colors. We were determined to understand it better, and 10 years ago, we began learning about it the only way we know how.
Imperial Jade from Burma is the most expensive type of Jade. It is the most expensive because it is the highest quality, the most sought-after color, and remains today the most highly prized source of jadeite around the world.
Ultrasonic cleaners and steam cleaners are safe for untreated jade. But jade might be treated by dyeing, bleaching and impregnation, coatings, or heat treatment, so warm, soapy water is always a safe choice.
Practised throughout history, jade carving is a difficult task to master. While modern tools have allowed more complex designs to be made and the art of crafting jade to become more efficient, carving today remains an intensely painstaking and exacting art form.
The more green jade is, the higher its value. The most expensive examples of jade are in so called Imperial Jade color, which is a rich and vibrant emerald green. In order to reach the highest value possible, jade stone must be as pure as possible with no specks of gray or other colors.
Scratch your bracelet's surface with a steel object like a knife or needle. If it leaves a clear mark, the jewelry piece is not genuine. Other jewelry gemstones like topaz or amethyst will nick jade easily, so that's a good way to tell real jade from fake. No powdery substance should come off because of the scraping.
The price for jade strongly depends on the quality of the stone. Beginning from just $5 per carat, it can occasionally reach up to $3 million per carat. The price per gram ranges from $25 to 5,000. The price per kilo is the most common on Jade Auctions is $25,000 – 5,000,000 per kilo for rough.
Grade A means that the jade is completely natural with absolutely zero treatment. This is the highest quality jadeite there is. Grade B means that it has been treated by being bleached or soaked in hydrochloric/sulfuric acid. This is done to clean the inside of impurities and inferior color.
The hardness of jadeJade is not only known for its spiritual virtues, but it is also appreciated for its hardness. This can be tested by scratching the surface with a knife, if the blade leaves no trace, it is jade. However, if a scratch appears, it indicates a softer stone such as serpentine or chrysolite.