Therefore, the gold of 18K is marked with the words AU750, 18K or G750. 18K is also defined as the entry level and the lowest level of Go.
Platinum is a chemical element, commonly known as platinum. Its chemical symbol is Pt and its atomic order is 78. Platinum is a gray precious metal with high density, high ductility and low reactivity, belonging to transition metals. According to international regulations, only platinum can be called platinum, so the two are the same thing.
This is a natural white precious metal. Originated 2 billion years ago, a huge meteorite hit the earth and brought this precious metal. As early as 700 BC, platinum was shining brilliantly in the history of human civilization. In the 2000-year history of human use of platinum, platinum has always been regarded as the noblest metal and sought after by the noble royal family.
Platinum is often confused with platinum in the market. However, the English word for platinum is white gold, the main component of which is gold. After adding other metals, it is white and easy to fade. Platinum (platinum) is pure white and never fades.
Emerald: Also known as jadeite, jadeite and Burmese jade, it is a kind of jade. The correct definition of jadeite is fibrous aggregate composed of pyroxene minerals mainly composed of jadeite minerals, but jadeite is not equal to jadeite.
Jadeite is a kind of stone polycrystalline aggregate that reaches the jade level under geological action. It is mainly composed of jadeite or jadeite, sodium (sodalite) and sodalite (omphacite), and may contain amphibole, feldspar, chromite and limonite.
Extended data:
Collocation principle
1, the overall effect should be considered.
Generally speaking, it is best not to wear more than three pieces of jewelry unless attending a banquet.
2. Decorations should be flexible.
Flexible and changeable, it is necessary to change it frequently, and the selected accessories can be coordinated with various clothing styles to improve the applicable function of accessories.
3. Pay attention to your own characteristics.
Wearing jewelry should pay attention to the human body's own factors, and should be coordinated with people's body shape, hairstyle, face shape, skin color and clothing. If you are not sure what kind of jewelry you are suitable for, you can go to Jewelry Cloud and take it home to experience it first. If it is found inappropriate, change it at any time until it is suitable.
Step 4 pay attention to different occasions
Wear jewelry to adapt to the environment and occasions. Different occasions have different requirements for the texture, style and shape of jewelry, and different reasonable wearing methods should be adopted.
5. Pay attention to the seasonality of wearing jewelry.
Generally speaking, due to different seasons, there are different requirements for the texture, color, shape and wearing choice of jewelry.
Step 6 Pay attention to traditional habits
Pay attention to local customs and traditional ideas when wearing jewelry. People in different regions have different preferences for the texture and color of jewelry.
7. Don't be too complicated.
Wear earrings, it is best not to wear brooches or bracelets, because this kind of collocation is rather dull, and it is most appropriate to wear necklaces or rings of the same color.
8, it is best to buy in sets.
If the economy permits, when buying a necklace, it is best to buy earrings and bracelets of the same color or homogeneity at the same time for matching use.
9. Pay attention to overall coordination.
There are many kinds and forms of wearing jewelry. In all kinds of ornaments and wearing methods, we should not only consider people and environment, but also consider the overall effect, and pay attention to the relationship between various factors. Coordinated collocation and proper embellishment can play the role of wearing jewelry.
Baidu Encyclopedia-18K
Baidu Encyclopedia-Pearl
Baidu Encyclopedia-Platinum
Baidu encyclopedia-emerald
Baidu encyclopedia-jewellery