The Mean Density of Electrum is 8650.0 kg/m³
Electrum
Electrum is the name of a natural alloy made primarily of gold and silver, often with small amounts of copper and other metals. It has been used since ancient times for coinage, jewelry, and ornamental purposes.
Key facts about electrum (as a material):
- Composition: Gold and silver, with silver content ranging from about 20% to 50%.
- Color: Depending on the ratio of gold to silver, electrum can appear anywhere from a pale yellow to a bright gold color.
- History: Electrum was used by ancient civilizations such as the Egyptians and Lydians to make coins, especially because it occurs naturally and doesn't need to be refined.
- First coins: The earliest known coins, minted in Lydia (modern-day Turkey) around the 7th century BCE, were made from electrum.
It is sometimes referred to as “white gold” due to its paler color compared to pure gold.
References
Wikipedia: en.wikipedia.org/wiki/Density