What's the difference between ancient gold and ordinary gold?

The production technology of ancient gold is very different from ordinary gold. The production technology of ancient gold is mostly ancient traditional production technology, such as seal cutting, relief, filigree and so on. The production technology of ordinary gold is not particular, and both modern and ancient technologies can be reflected.

2. Production method

The real ancient gold is handmade by craftsmen, but many ancient gold on the market only have the gimmick of ancient gold, not handmade, or can not be separated from mechanized production. Except for customization, most of ordinary gold is produced in the assembly line in the workshop, and the design is basically the same.

Extended data:

China ancient manual gold-making technology is the unique skill of China Royal Gold-making. It mainly includes three processes of "ancient casting, manual refining of gold and manual repairing of gold", and each process contains many ancient techniques. The "filigree" and "inlay" technologies in the "handmade refined gold" process are now listed as key national intangible cultural heritage protection projects, which have national treasure-level technological value.

The texture of gold

1. Red gold and pure gold have similar meanings, but the standard of red gold varies with time and place. Gold with a purity of 99.6% sold in the international market is called red gold. Domestic red gold is generally between 99.2% and 99.6%.

2. Non-ferrous gold, also known as "secondary gold" and "tidal gold", refers to gold with low fineness. Due to the different contents of other metals, the purity of these gold is as high as 99% and as low as 30%.

According to the classification of other metals, ripe gold can be divided into solid gold, mixed gold and K gold. Clear gold means that gold is only mixed with silver, regardless of its fineness. Clear gold is more common in gold bars, ingots, nuggets and various utensils and gold ornaments.

3. Mixed color gold means that besides silver, gold also contains other metals such as copper, zinc, lead and iron. According to the different types and quantities of metals, it can be divided into small mixed gold, large mixed gold, bronze mixed gold and lead mixed gold.

4. K gold means that silver and copper are mixed in a certain proportion, and the pure gold calculated according to the formula is 24k. Generally speaking, the more silver in K gold, the bluer the color; If the proportion of copper is large, the color is purple.

References:

Baidu encyclopedia-gold

Baidu Encyclopedia-Beijing Laopu Gold Culture Development Co., Ltd.