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Does gold belong to jewelry?
Don't belong. Jewelry refers to the ornaments worn on the head, and now widely refers to birds, earrings, necklaces, rings, bracelets, etc., which are processed from precious metals and gems. Raw gold does not belong to jewelry.

Jewelry classification:

(1) classified by jewelry value.

1. High-grade jewelry, such as some big precious diamonds, rubies and emeralds.

2. Mid-range jewelry, such as diamond jewelry, jade jewelry and emerald jewelry with medium quality and weight.

3. Low-grade jewelry, such as aquamarine, garnet or crystal jewelry.

(2) Classification according to whether gems are embedded.

4. According to whether jewelry is inlaid with gems, jewelry can be divided into gem-inlaid jewelry, pure decorative gem jewelry and pure gold jewelry.

5. Pure gold jewelry can also be divided into thousands of gold jewelry (99.9%), gold jewelry (99%), gold jewelry, platinum jewelry and pure silver jewelry. The value of this kind of jewelry is determined by the type and content of metal used, design style and manufacturing technology.

(3) According to the material classification of jewelry.

6. Gold jewelry, the main component is gold, and the content and composition of gold reflect the value of gold jewelry. There are thousands of gold ornaments (99.9%), pure gold ornaments (99%), K gold, gold plating (gilding) and other categories.

7. Platinum jewelry, the main components are platinum group elements such as platinum (Pt), palladium (Pd), nail (Ru), osmium (Os), rhodium (Rh) and iridium (Ir). The most common main platinum jewelry is positive platinum (PT999.5), full platinum (Pt990) and platinum (Pt950, Pt900 and Pt850) jewelry with platinum as the main component.

8. silver ornaments, mainly composed of horns, are often used for gem setting. The silver of ornaments is 925S or 950S (where s is the abbreviation of English Silver, and 800S means that the fineness of silver is 80%; 925S and 950S, indicating that the purity of silver is 92.5% and 95% respectively).

9. Ordinary metal jewelry, made of various alloys of stainless steel, copper and aluminum, is mainly used for fashion jewelry or avant-garde jewelry.

10. Jewelry made of other materials mainly refers to all kinds of jewelry made of leather, plastic and wood, which are usually only used as handicrafts to reflect the beauty of art.

(4) Classification according to other factors

1 1. Jewelry can be divided into headdress, nose ornament, ear ornament, neck ornament, hand ornament, anklet, waist ornament, clothing, etc.

12. According to the difference of jewelry art design, it can be divided into popular jewelry, classic jewelry and personalized jewelry.