750 gold - what is it? How much is 750 gold?

If we turn to the periodic table of Mendeleev, gold – heavy metal yellow color with atomic number 79. On the Latin language sounds like aurum. Gold 750 – what does that mean? Where is it used and how much?

Gold

According to the historical information, gold – pioneer of the metals, which interacted humanity. Acquaintance with him occurred 2-3 thousand years ago, as evidenced from excavations jewelry. Also the mention of this precious metal are present in the “Iliad” and the Bible. Great curiosity aroused, the gold and the alchemists often sought ways of turning metals into precious, to whom was attributed great power.

In the modern world gold has several functions:

• In the production of commodities, it performs the function of money;
• In the art is used for jewelry work;
• The medicine is used as components of some drugs;
• Also used in the chemical industry and the electrical equipment.

Gold 750 – what does it mean

It is Worth noting that pure gold with no additives simply do not exist, there is always some percent of certain impurities. The number of parts of pure metal, which contains in 1000 parts of alloy, called a breakout. In the world taken 4 systems of samples: directional spool valve, metric, lot, and carat. The most popular – this is the metric carat.

In our country spread the metric system, that is, the ratio of grams of gold per kilogram of jewelry alloy. There are samples from 375 to 999. 750 gold above all is valued by lovers of expensive jewelry.

Recommended

Body decoration - a tattoo on her back

Tattoo, or as they are briefly called – tattoo designs – the application is very stable picture on any part of the body through the lung local injury to the skin sections to be entered under it coloring pigment. Refers to the adornments o...

925 silver gold: description, cost, and interesting facts

Before you move on to what is a 925 hallmark, is to answer the question – what is meant by the General notion of a “sample”?overall it – established by GOST digital value, which is determined by the amount of the contained pre...

Zirconium (metal): medicinal properties and application

Cubic Zirconia – a steel-gray metal with a yellowish tinge. It is obtained by melting zirconium waste and ore concentrate.cubic Zirconia: prices, GOST, descriptionDesignation – GOST 21907-76. It is ductile and malleable (almost like gold)...

For European countries and USA typical CT system. Sample carat-this is the ratio of the share of net metal in 24 parts of alloy. This system is intended only for gold alloys.

585 or 750 fineness of gold?

Most frequently when buying jewelry, consumers are faced with 585 and 750 samples. Russian fans of precious metals often give their preference to products with 585 breakdown, which is easily explained by the ratio of price and quality. However, jewelry items from such gold contain more impurities.

The gold Itself – very amorphous metal, and with constant wear, the product would be deformed or there would be scratches. With the addition of silver, palladium or Nickel, zinc and copper is a more solid alloy of the precious metal. 750 gold alloy contains 25% additives such as platinum, silver, palladium, copper and Nickel.

Depending on the increase in the share of some components, it is possible to obtain the alloy in various shades, from pale pink to greenish. It may be noted that in Russia the most common reddish shade of gold, and in Europe – yellow. Known ‘pure gold" is made by adding to a jewelry alloy of copper. When heated ingot is obtained the unique reddish tint.

750 gold is special in that it is easily polished and processed. The most sophisticated and sophisticated jewelry that is out of this alloy. In addition, this gold can be used as an excellent base for enamel. Precious products of this type are now gaining more popularity.

But still it is worth noting that for everyday wear jewelry is more suitable gold 585°, as are more durable. If you compare how much gold 750 and 585, grams of the first alloy is more expensive than almost 1.5 times (the price is about 1100 RUB.).

Quality of gold jewelry

Gold has the chemical ability: in its pure form it is not subject to oxidation and many other chemical influences. But when combined with other metals these properties become different. It is considered that little corrosion gold alloys of a sample of 750 and above. It should be noted that upon receipt of the alloy of gold may be distributed unevenly, and then the area where it is small or it is absent, can be corrosive. Jewelry in this place will be dull.

Italian gold

Many reputable jewelry shops offer the products of “Italian gold”. The name, as you might guess, comes from the country of origin of jewelry. Decoration of this kind have a special kind of treatment. They are carefully polished, and visually it seems that the products Shine. Moreover, decorations are fine workmanship and various ornaments.

When purchasing such jewelry you should pay attention that fraudsters can pass for Italian gold 750 product of lower quality. Authentic Italian jewelry must have a certificate. To Russian eyes maloprimetny the colors of the Italian gold, which may have white and yellow colors.

Italy – a unique country. It occupies the third place in the world for the production of jewelry from gold mining no more than 100 kilograms per year. The rest of the material is purchased in South Africa. Thanks to its unique design, the profits from the jewelry salesproducts brings into the coffers of Italy's revenues. Buyers of Italian jewellery – Switzerland, USA, China, United Arab Emirates and other countries.

White gold

White gold 750 – an alloy of gold with Nickel or palladium. Sometimes it can be platinum. The white gold alloy has a rather dull Shine. In order to make it more vibrant, use a thin rhodium coating, which with frequent wear jewelry need to update quite regularly.

Typical used when you run a jewelry technique – granulation. It is very thin gold plate is welded on the tiny granules, and with their help created the pattern on the product. This type of technology is its origins more a long time, as evidenced by historical and scientific excavation.

Currently, many fans of precious jewelry on hearing such famous jewelry houses, like BULGARI, DIMIANI that use the technique of granulation.

When buying gold jewelry you should pay attention not only on price but also on the availability of the necessary certificates and passports. Costs to purchase products from reliable and renowned manufacturers in specialized stores.