colored gold necklace Au75 represents an alloy consisting of 75% gold and 25% other metals, and its color is colored gold. Colored gold is made by adding 75% gold to copper, aluminum, silver, cobalt, palladium, iron, cadmium, nickel and other metals, and presents different colors according to different alloys.
colored gold means that K gold is changed into different colors by adding some precious metals. Generally, colored gold is 18k gold. It mainly presents rose, white and pink. Hardness is higher than pure gold. Compared with traditional gold and platinum, colored gold can not only make the color of colored gemstones more intense, but also reflect the exquisiteness and delicacy of metal materials.
the color of colored gold jewelry can be presented by the natural color of the jewelry material or by the color of the coating metal. Because the color of most K-gold materials is difficult to achieve beautiful and beautiful effects, the color of cladding metal presents more.
Extended information:
Common colors of colored gold ornaments:
1. White gold: mostly Au-Ag-Ni(Cu, Zn) and Au-Ag-Pd(-Zn, Cu) alloys. When 25% palladium, nickel and zinc are mixed into gold, it will become white, and its main component is gold.
2. Red K-gold: It can be made of ternary alloy of gold, silver and copper, but if the proportion of copper is increased, the color is close to the tone of copper, which is not very bright. Bright red K gold is an alloy formed by gold and aluminum, which is brittle and difficult to process. Reducing the proportion of aluminum forms purple K-gold, whose lavender is quite charming and brittle, and it is difficult to process.
3. Yellow K-gold: It can only be made of ternary alloys of gold, silver and copper. Yellow is the true color of gold, and it keeps its own color as much as possible.
4. Blue K-gold: The basic composition is an alloy of gold and iron, but its production process is extremely confidential, and the patent has been registered all over the world. According to the seed, the surface of K-gold is implanted with cobalt atoms.
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