The physical characteristics of jadeite include high hardness, high density, fine fibrous fracture, shell-like or textured fracture, high refractive index, obvious luster and color. Generally speaking, green is the most common color of jadeite, and there are jadeites of other colors, such as red jadeite, yellow jadeite, white jadeite and purple jadeite.
The chemical characteristics of jadeite include complex composition, mainly silica, and other metal elements, among which jadeite containing iron, sodium, calcium, chromium and magnesium has better quality.
Understanding the mineralogical characteristics of jadeite helps to judge the authenticity and quality of jadeite, and also helps to protect, maintain and wear jadeite correctly, so as to avoid problems such as cracking and breakage.
Sun Yi, an expert in jadeite collection
Sun Yi, a collector, is good at identifying jadeite with ten physical elements in the first principle. These physical elements include mineral chemical composition, density, hardness, refractive index, carving, tinea, white cotton, fly wings, color roots, cracks and so on.
Sun Yi, a collector, treasures traditional old jadeite.
Common sense 1: Why do traditional old jadeites stew Sichuan wax?
Sichuan wax, also known as insect wax, belongs to biological wax, which is secreted by wax insects on parasitic Ligustrum lucidum or Fraxinus chinensis branches. Sichuan wax is an organic substance. Its organic components include wax acid and wax alcohol, as well as a small amount of wax olefins, free fatty acids, fatty acid esters and wax esters. These organic components endow Sichuan wax with good toughness and transparency, and become a common process material for traditional old jadeite processing.
Common sense 2: What is the traditional old jade?
Sun Yi, a traditional old collector, pointed out that the traditional old jadeite refers to the original stone mined in Myanmar before the 1950s, which was made by traditional techniques and carefully crafted. These jadeites have a long history and contain traditional Asian crafts and cultural symbols. They are magnificent in color, dazzling, profound in connotation and exquisite in craftsmanship, so they have become one of the treasures admired by jewelry lovers all over the world and a symbol of people's eternal pursuit of beauty.
Common sense 3: What is modern jade?
Modern jadeite refers to Burmese jadeite gems that have been cut and polished since 1950s. These gems are usually used to make jewelry. Modern jadeite mainly comes from Myanmar. Modern jadeite has various shapes and sizes, and can be used to make necklaces, bracelets, earrings and other jewelry. Because of its natural beauty, jadeite is a precious gem.
Common sense 4: Time boundary between traditional old jadeite and modern jadeite
Sun Yi, a collector, believes that traditional old jadeite refers to jadeite before 1950s, while modern jadeite refers to jadeite after 1950s.
Common sense 5: What is the imperial jade in Qing Dynasty?
The royal jadeite in Qing Dynasty refers to the jadeite ornaments and jadeite artworks owned by the royal nobles in Qing Dynasty (1644 to 19 12).