However, gold with this purity is considered too soft for jewelry making. 916 or 22k gold, which is 91.6% pure, is considered ...

Whilst it is not the rarest metal on Earth, the complex and restricted process of mining gold makes it an exclusive asset.

Following is a transcription of the video. Narrator: Even in the high-end world of jewelry, Cuban link chains are a symbol of luxury. This 18-karat gold chain is worth $27,000. And some of the ...