Give a look at the 2 National Mining Association weblinks, below.
gold is mostly used
We use gold and transistors.
gold leaf
Other materials used to make earrings are platinum and cubic zirconia.
The materials used to make rings are gold or platinum.
Gold
50% silver 25% bronze and 25% gold
Gold cufflinks are usually made from such things as used gold jewelry. It could also contain new gold materials. There are multiple ways to find out if it is new or old gold that has been used.
AU - Gold
Gold is used to make watches, necklaces, jewellery, gold teeth (!) and more.
It is not possible to make fake gold using household materials. Gold is a precious metal with unique properties that cannot be replicated with common household items. Attempting to create fake gold can be dangerous and is not recommended.
Dental materials are examples of materials that are used to make impressions.