Protect your investment! In Samara, we teach you some tips to know your gold jewelry.
In SAMARA JEWELRY, gold is one of the main raw materials for the manufacture of our jewelry. We have partners who fulfill with accurate processes for the extraction of minerals. Therefore, we always support sustainable mining in our country.
One of the most common questions when buying a gold jewelry is to know if it is made of this noble metal, or otherwise they are accessories made of other materials such as steel, brass or bronze but with a gold finish. Since this is the difference in price, quality and durability.
For this reason, we bring you some tips in order that you can check if your investment will be the best.
You can make a basic review at a glance:
Purity seal: It is a first impression of the jewel quality. The gold pieces usually have an official seal with three digits. Taking into account gold of 18K gold is 750, this seal goes with the manufacturer isotype or logo.
For our jewelry, we use the "S".
There is another type of home test:
Rubbing the jewel: You can do it by rubbing the jewel against a ceramic piece, if possible unglazed and rubbing the jewel against it. If when you do this rubbing, the piece leaves a trace of golden color is very likely to be a gold piece. If on the contrary, the trace left by the jewel is black or gray it will not be gold.
Tests that you can request to an expert:
Use a magnet: Gold and silver have a type of magnetism known as diamagnetism. This feature repels the magnetic field. That is why when analyzing a piece, some steps must be followed:
- The person who wishes to do this test must first scratch the piece on a "touchstone". Usually, non-gold jewelry can slip more, as gold has a greater resistance.
- Afterwards, this line will be covered with an acid if it disappears and when approaching the jewel to a magnet it is also attracted. It is a sign that it is not a gold piece.
However, this test is not entirely infallible, since the problem lies in the fact that today a practice continues whereby pieces of white gold are nickel-plated before being plated with rhodium.
Nickel is a ferromagnetic metal and is very easily attracted by a small but powerful neodymium magnet. In many rhodium plating baths, the piece is first nickel plated and then rhodium plated to make the plating more durable. This eventually causes the piece to be attracted to the magnet.
Use nitric acid: Nitric acid is a highly corrosive chemical substance and it can be dangerous if it does not handle gently. For this reason, we suggest that this test be performed by an expert. To test the gold authenticity, you must merely immerse the jewelry in this substance. If it turns green, it is made of another metal. If it turns white, it is made of gold-plated silver and if it does not change, the piece is made of gold.
Digital tests: In the market, there are a number of instruments that allow testing this valuable metal. It consists of placing the piece on an LCD screen and performing an inspection of it by a pencil probe.
The analysis will show two values, one in carats and the other with the approximate percentage of gold. The best rated is the Gemoro Auracle Agt3 Agt3 Gold 624k, it can provide in seconds a detailed piece analysis.
Ask for an inspection by an expert: Finally, and our best advice is that you get advice from a jeweler or a trusted jewelry workshop. There, they will use several methods and it will give you the certainty that the investment you are making is the right one.
We expect this information will be useful, when checking the authenticity of your jewelry!