Dating antique silver jewelry dating after legal separation nc
Various sources date this alloy to 1911, 1915, and 1917.Earlier attempts to produce a white gold alloy were unsuccessful.For decades manufactures have used this process on the prongs of a piece.When white jewelry, including platinum, made a strong comeback in the 1990’s, some manufacturers simply started plating yellow gold rings with rhodium.The majority of pieces made before the mid-19th century will be European, which includes Great Britain and Russia.The practice of hallmarking jewelry and objects made of precious metal started in the 1400’s and continues to the present. Not everyone hallmarked their work, and the passage of time and repair work has marred or eliminated many marks.Platinum is a strong metal giving jewelers of the time the ability to create elaborate filigree and openwork, styles we most often associate with the Edwardian era.
Some white gold is relatively brittle due to the presence of nickel, which causes a loss of malleability and ductility.
Care should be taken when repairing items made from white gold and nickel because defects can occur if the metal is not treated properly.
When examining an older pieces make an extra effort to find any defects, especially look for prong damage and tiny “stress” cracks.
In some cases it is an honest effor, but in others the intent of the parties involved are less then honorable.
Brass, an alloy of copper and zinc, is probably the most common substitute for gold in older pieces.