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White gold is an alloy of gold and at least one white metal (usually nickel, silver, platinum or palladium). [4] Like yellow gold, the purity of white gold is given in karats. White gold's properties vary depending on the metals used and their proportions. A common white gold formulation consists of 90% wt. gold and 10% wt. nickel. [3]
Colored gold (silver, copper) Crown gold (silver, copper) Electrum (silver) ... List of brazing alloys; Pot metal; inexpensive casting metal of non-specific composition;
Orichalcum – another distinct metal or alloy mentioned in texts from classical antiquity, later used to refer to brass; Panchaloha; Shakudō – a Japanese billon of gold and copper with a dark blue-purple patina; Shibuichi – another Japanese alloy known for its patina; Thokcha – an alloy of meteoric iron or "thunderbolt iron" commonly ...
Chemical coloring of metals is the process of changing the color of metal surfaces with different chemical solutions. The chemical coloring of metals can be split into three types: electroplating – coating the metal surface with another metal using electrolysis. patination – chemically reacting the metal surface to form a colored oxide or ...
Gold, silver and bronze or copper were the principal coinage metals of the ancient world, the medieval period and into the late modern period when the diversity of coinage metals increased. Coins are often made from more than one metal, either using alloys, coatings (cladding/plating) or bimetallic configurations. While coins are primarily made ...
Precious metal alloys are based on precious metals - e.g. gold, silver, ... Pages in category "Precious metal alloys" ... Colored gold; Corinthian bronze; Crown gold ...
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