green gold
Học thuậtThân thiện
Definition
Noun: - A type of gold alloy that has a distinctive greenish color. This color is achieved by mixing pure gold with other metals, typically silver or a combination of silver and cadmium, resulting in an alloy that is at least 14 karats in gold purity.
Usage
- Green gold is primarily used in jewelry making to create unique, colored-gold pieces.
- It is valued for its aesthetic appeal and is often used in artistic and high-end jewelry designs.
Examples
Advanced Usage
- As a material descriptor: The term is used to specify the material composition of an item, particularly in jewelry catalogs, auction descriptions, and metallurgy.
- The lot description specified a Victorian-era bracelet crafted in green gold.
Variants and Related Words
- Colored gold: A general term for gold alloys that have been tinted to colors other than yellow, including white gold, rose gold, and green gold.
- Electrum: A naturally occurring alloy of gold and silver, used in antiquity, which can have a pale yellow or greenish hue.
Synonyms
- Green gold alloy
- Gold-silver alloy (when silver is the primary alloying agent for the green color)
Notes
- The green color in green gold is not from a surface treatment or plating but is an inherent property of the specific metal mixture.
- Due to health concerns, the use of cadmium in modern jewelry alloys is often regulated or avoided; contemporary green gold is more commonly made with gold, silver, and sometimes copper or zinc.
Noun
- a gold alloy (at least 14 karat gold with silver or silver and cadmium) that has a green appearance