There is not a stamp for jewelry that is 950. The stamp is .925 and it means the jewelry is sterling silver
The general stamps for platinum jewelry are PLAT and PT.In addition, platinum jewelry is also often stamped as follows:90% pure platinum jewelry - 900 Platinum, 900 Plat, Plat 900, Pt900 or 900Pt95% pure platinum jewelry - 950 Platinum, 950 Plat, Plat 950, Pt950 or 950PtStep 8Remember that a "950 Platinum" stamp means jewelry is 95 percent pure platinum, or 950 parts out of 1000. Such jewelry may also be stamped "PLAT," "PT," "950 Plat," "Plat 950," "Pt950," or "950Pt."Read more: How to Read Jewelry Stamps or Labels | eHow.com http://www.ehow.com/how_5794103_read-jewelry-stamps-labels.html#ixzz0u1cRd1ib
There is not a stamp for jewelry that is 950. The stamp is .925 and it means the jewelry is sterling silver
Modern platinum jewelry is usually stamped with a simple purity mark such as 950 or PT950. I believe it means 95% pure platinum. You can refer to the Precious Metals Buyer's Guide for more information.
the jewellery buyer P3M Refining website says that 950 is the content of a precious metal. It is called millesimal fineness. that means the content of the metal is 95%. 95.83% gold content is the same as 23K gold. It could of course be 95% silver or platinum, too
Platinum jewelry is marked "Plat" or "950 Plat" and is nearly pure platinum. "IridPlat" is 90 percent platinum mixed with 10 percent other metals.
It is most likely a hallmark indicating the jewelry it is sterling silver from Mexico. More on "950" silver: Silver of 95 percent purity is relatively rare because it is a nonstandard alloy. Technically it is not fine silver because it falls considerably below 99.9 percent fineness. This means it is sterling silver, but more pure than most sterling silver. 950 silver will be softer than most sterling silver and will tarnish more easily. This means it is unlikely to be used in most industrial applications. Most 950 silver is used for jewelry.
The oldest and most common jewelry alloy for platinum is 90% platinum, 10% iridium. You'll see various stamps, the most common maybe is 10% Ir Plat or something like that. Occasionally it's all spelled out, too. A newer alloy is 950 platinum, where the other 50 is usually cobalt. Usually that is stamped 950 Plat. or 950 Platinum. Those are the two most common, anyway.
950 platinum is 95% pure platinum which is the standard for platinum jewelry. 950 platinum can be cleaned like any other piece of fine jewelry. A jewelry solution could be purchased, but I can tell you what many jewelry stores use in their ultrasonics. I know of many jewelers that mix half Mr. Clean and water with a small amount of ammonia for their jewelry cleaning solution in their ultrasonic. This works excellent for all types of jewelry. Allow the piece to soak for 15 seconds then rinse in water and dry. A polishing cloth can be used if the piece needs to have the high polish shine brought back.
950 miles
It is the purity of the platinum. 850 is 85% pure. 900 is 90% pure. 950 is 95% pure.
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