950 Ring Stamp

950 ring stamp. For example sterling silver has the stamp of 925 which tells a person that the piece is 92 5 percent pure silver and 7 5 percent copper. Here is a great article about the above stamps here. Usually mixed with other platinum metal group alloys such as ruthenium rhodium or palladium.

Other alloys in 2007 a u s. Like most sterling silver this alloy contains 92 5 percent. Most 950 silver is used for jewelry. 950 platinum will simply carry 950 in place of the 900 and is 950 parts per 1000 pure platinum.

Platinum is very dense and consequently weighs more than gold. Patent issued for an alloy of sterling silver with enhanced tarnish resistance and exceptional hardness. The number 950 often follows the pt abbreviation because for alloys of platinum between 850 and 950 parts per thousand the word platinum must be accompanied by the purity.

See also 950 silver jewelry. 90 platinum or 900 parts per 100.