{"id":12390,"date":"2021-06-20T14:25:51","date_gmt":"2021-06-20T11:25:51","guid":{"rendered":"https:\/\/drago-met.ru\/?p=12390"},"modified":"2024-03-21T20:33:41","modified_gmt":"2024-03-21T17:33:41","slug":"zagadochnaya-975-proba-chto-za-metall-zoloto-ili-serebro-osobennosti-splava-plyusy-i-minusy-stoimost-1-gramma","status":"publish","type":"post","link":"https:\/\/drago-met.ru\/en\/serebro\/zagadochnaya-975-proba-chto-za-metall-zoloto-ili-serebro-osobennosti-splava-plyusy-i-minusy-stoimost-1-gramma\/","title":{"rendered":"The mysterious 975 hallmark, what is the metal, gold or silver: the features of the alloy, pros and cons, the cost of 1 gram"},"content":{"rendered":"

To some precious alloys<\/a> Buyers give more preference, guided by the price to quality ratio. Fans of the original are more likely to buy a product of rare marks<\/a>.<\/p>\n\n\n\n

One such alloy is the 975 proof, which is quite rare. It will be interesting to know where it is sold, and how much one can buy jewelry with this hallmark.<\/p>\n\n\n\n

975 hallmark - what kind of metal is it, gold or silver<\/h2>\n\n\n\n

If we refer to the global standards, we can see that 975 Sample<\/a> It is not found in the lists of existing alloys of all precious metals used for jewelry. However, such a marking can be found on both silver and gold jewelry.<\/p>\n\n\n\n

If we talk about the composition of such an alloy, then 97.5% of its mass should account for the precious metal, and the remainder will be various additives.<\/p>\n\n\n\n

\"Rings<\/span>
Silver Rings<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n

The noble metal silver. The concept of assay. Why silver is diluted with ligatures<\/h2>\n\n\n\n

Silver<\/a> - is a malleable and fusible element in the precious metal group. This group includes gold, platinum, and five other platinum-grade metals.<\/p>\n\n\n\n

Lunar metal is considered a symbol of purity, is a universal material for creating amulets and religious paraphernalia, has unique bactericidal properties.<\/p>\n\n\n\n

Silver is a soft material, so it is not used \"pure\" in jewelry. The precious metal is alloyed with various additives that change the final characteristics of the whole alloy. These additives are called alloying agents. They can change the color of the alloy, increase hardness and wear resistance, and improve casting properties.<\/p>\n\n\n\n

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Most often silver is alloyed with copper, zinc, cadmium, nickel, and less often with platinum and gold.<\/p>\n<\/blockquote>\n\n\n\n

Sample of precious metal<\/a> tells you the amount of noble material in relation to the entire composition of the piece. For example, if a silver ring is marked \"925,\" that means that 92.5 % of the entire piece of jewelry is pure silver, with the remainder accounted for by various impurities.<\/p>\n\n\n\n

Often stamps of different countries visually differ from each other, because states may use different systems for measuring the purity of metals. Russia, for example, adopted the metric system, which replaced the zolotnik system, in effect until 1927. Many European countries have adopted karat<\/a> method of measurement.<\/p>\n\n\n\n

\"The<\/span>
1 jeweled carat<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n

Mysterious sample 975<\/h2>\n\n\n\n

What does 975 proof silver or gold mean if the world standards do not include such a concept?<\/p>\n\n\n\n

Most likely, the 975 marking on the lunar metal is nothing more than 925 sterling silver<\/a>. The number 7 could have been poorly printed or erased over time. This is especially true of antique pieces. It is likely that over the years, the second number on the surface of the jewelry has simply acquired a resemblance to a seven.<\/p>\n\n\n\n

There is a similar situation with 875 precious metal. It is easy to mix up the numbers 8 and 9 on antique pieces.<\/p>\n\n\n\n

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As for gold, the number 975 can be taken as the metric value of 375.<\/p>\n<\/blockquote>\n\n\n\n

Russian GOST includes the following gold alloys: Z75, 500, 58Z, 585, 750<\/a>, 916, 958, 999. So if the seller assures you that the jewelry work is genuine 975 proof gold, you can be sure - in front of you a fake.<\/p>\n\n\n\n

You can check the authenticity of the precious metal yourself. Try to drop iodine on an inconspicuous part of the item. Genuine silver will darken quickly. The formation of a plaque or complete absence of any reaction will tell you that it is fake.<\/p>\n\n\n\n

The solar metal also darkens from contact with iodine. Lightening of the stain is possible only on counterfeit items.<\/p>\n\n\n\n

\"Silver<\/span>
Iodine to check the authenticity of silver<\/span><\/strong><\/figcaption><\/figure>\n\n\n\n

What the stigma looks like<\/h2>\n\n\n\n

The stamp on the silver should look as follows: first the code of the state inspection is put, then the mark of the assay certificate, and after that - the numerical marking of the hallmark.<\/p>\n\n\n\n

The state inspection cipher informs about the territory where the product was branded.<\/p>\n\n\n\n

The mark of the assay certificate on the territory of Russia looks like the imprint of the profile of a woman in a kokoshnik. If in front of you USSR product<\/a>The sign will look like a five-pointed star or a worker's head.<\/p>\n\n\n\n

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All alloys containing at least Z0% of the precious metal are subject to branding.<\/p>\n<\/blockquote>\n\n\n\n

All information about the lunar metal item must be inscribed in a figure resembling a barrel. The information about the gold items is inscribed in a figure resembling a spatula.<\/p>\n\n\n\n

The certifying seal should be looked for on the following parts of the jewelry:<\/p>\n\n\n\n