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Platinum jewelry 960 / Platinum necklace with citrine ...
    Made in Germany: A special necklace to close with a handmade clasp in 750 / - yellow gold. The chain is 41 cm long anchor chain consists of a Platinum. Working in yellow and white gold Moon and stars. 5 citrine are faceted in star-shaped ground. Large star 6 …

960 Mark - Antique Gold Ring -
    960 Mark - Antique Gold Ring. by maria. (long island NY) the mark has an "M" inside a double diamond shape with 960 to the right both in an oval, then an additional mark to the left.

Mark with Glass pattern: Coarse Rib; plate. #374909
    'Mark with Glass pattern: Coarse Rib; plate. #374909' - Identify & Authenticate your 'Glass' Mark. Database with over 100K Antique Marks & growing.

Platinum Jewelry: What are PGM and Platinum Marks?
    Aug 17, 2017 · Platinum content is usually expressed as the amount of pure platinum the jewelry contains in parts per thousand. Think about it like this: you mix up a huge bucket of fruit tea that contains 1,000 ounces--900 hundred of the ounces are plain tea and 100 are fruit juice. That makes the tea 900 parts per thousand of your mix.Estimated Reading Time: 3 mins

Antique and Vintage Jewelry Maker's Marks: A Collector’s Guide
    Apr 06, 2020 · Jewelry Maker’s Marks: A Brief History. To be considered an antique, a piece of jewelry must be 100 years or older, while vintage jewelry must be more than 20 years old to be classified as such. “Retro” jewelry refers to pieces made during the 1940s and ‘50s and are characterized by the use of large and colorful gemstones.

Iridium Platinum Explained - Georgianjewelry
    Why combine iridium with platinum? It gives platinum an even harder-wearing durability. Usually jewelry and rings are often 10% iridium and 90% platinum. Hallmarks that you may find are 10 Irid 90 Plat, 100 Irid 900 Plat, 10% Irid 90% Plat, or other variations. Just a few examples are shown below.

4 Ways to Identify Platinum and Silver Jewelry - wikiHow
    May 06, 2021 · Gently rub the jewelry against the stone in a back-and-forth motion to create a line. Draw 2 or 3 lines on the stone or one for each testing acid you'll use. For example, if you're testing for platinum, silver, and gold, you'll draw 3 lines. Choose an inconspicuous part of the jewelry …Author: Edward Lewand

What Are Some Identifying Marks on a Platinum Ring? LEAFtv
    The platinum group of metals (PGM) are platinum, iridium, palladium, ruthenium, rhodium and osmium. The major platinum jewelry maker and consumer markets today are China, Japan and the United States. Platinum rings and ornaments date more than 2,000 years, and the culture of platinum ring-making over the centuries has led to various traditions ...

Identify gold, silver and platinum items SellYourGold
    A Makers Mark is the designer, manufacturing firm or representative symbol that is stamped into your precious metal - also called trademarks. This mark provides proof that your jewelry item was made by the designer or jewelry maker and is considered "signed". All marks …

Platinum Marks Antique Jewelry
    Platinum marks antique jewelry. It includes silver marks from many countries and you can access it here. Changing with the times. The remaining 100 part are usually made with iridium which makes the jewelry harder. Pt850 platinum at 85. Platine french or canadian mark. Jewelry that contains at least 950 parts per thousand of pure platinum may ...

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