Gold - The Foundation of Jewelry

Radiant, drawing attention to its saturated yellow hue is the precious metal known as gold. Gleamingly smooth and polished, its surface collects light to deliver a dazzlingly sharp reflection. Gold continues to be highly desired and crafted into ornate wearable designs.
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One of the rarest and most valued resources on the planet, it is theorized that gold's inception was during the big bang. The finite amount of the element that was created during that cosmic implosion is still being mined today. Gold can be cumbersome to collect since it is found naturally in various formations such as granular, flake, dust, and veins in a host rock. Once harvested, the metal can be used for a myriad of products. It's a great conductor making it perfect for use in electronics such as cell phones, and it is immensely resistant to corrosion making it useful as a protective coating.
Currency and ornamentation are the primary uses of gold, and have been for centuries. Being very soft and malleable, the golden element can easily be manipulated to capture the imagination of jewelers. 
Gold is typically alloyed with other metals for strength and this inevitably affects its color.
18 Karat, or 750, is a vibrant yellow being 75% percent pure gold.
14 Karat, or 585, is a more muted yellow at 58.5% percent pure gold.
10 Karat, or 417, is the most durable with the color being a lighter yellow since it is 41.7% percent pure gold.

The alloys used affect color even more than the content of gold. A substantial addition of copper gives a beautifully rosy hue while the introduction of nickel and zinc adds a lime greenish tint. Gold that is combined with silver and nickel provides a whitish metal with a slight golden tone that is often rhodium plated to create a bright white finish.

Because of its composition, gold is less susceptible to decay allowing it to withstand the test of time. An alluring aged look is formed when the alloyed metals interact with air to create a darkened orange tarnish that is often seen in Victorian estate pieces. 

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Gold will always be a transformative medium and a valuable asset to any jewelry box.