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This page was last edited on 6 February 2025, at 11:20 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Electrum was much better for coinage than gold, mostly because it was harder and more durable, but also because techniques for refining gold were not widespread at the time. The gold content of naturally occurring electrum in modern western Anatolia ranges from 70% to 90%, in contrast to the 45–55% of gold in electrum used in ancient Lydian ...
These pearls belonged to Infanta Isabel. It is unknown when the Infanta gave them to Victoria Eugenie. A brooch with a pale gray pearl surrounded by diamonds and from which a pear-shaped pearl hangs. It is a circular pin set with diamonds with a large pearl in the center and from which hangs a pear-shaped pearl that also belonged to Infanta Isabel.
The jewelry of the Byzantine Empire often features religious images or motifs such as the cross, even in pieces that were for secular use. Elaborate Roman styles were continued, but with growing use of cloisonné enamel. The main commissions for gold work and jewelry came from the Court or the Church. [18]
Rose gold jewelry is becoming more popular in the 21st century, and is commonly used for wedding rings, bracelets, and other jewelry. Although the names are often used interchangeably, the difference between red, rose, and pink gold is the copper content: the higher the copper content, the stronger the red coloration.
The gold contents of all deposits averages 0.41 g/t Au, with the majority of worldwide deposits averaging less than 1 g/t Au. [2] The occurrence of native gold mineralization. Example from Kalgoorlie Australia. The contents of gold can appear in three different forms in these deposits: [2] Native gold; Electrum; Gold–bismuth–antimony ...