As the name suggests are classified as precious metals, gold has a variety of forms that vary. Metals that can not rust, gold has been known since human civilization evolved. In general, different types of gold can be categorized into several types;
1. Gold as a Jewelry
Gold jewelry is often encountered in daily life. Since the close with human life, the form of gold jewelry is also a lot of variety. Ranging from bracelets, necklaces, earrings, pendants, crowns and more.
In the circumstances of pure content, gold is known as a soft metal. For every purchase of gold jewelry, in addition to the price charged is calculated based on grams of gold and rust, there is also where the buyer bears the cost of manufacture. Gold is used as jewelry there are two colors that are known the golden yellow (gold) and white gold
2. Gold as a Bar
Gold in the form of bars are often referred to as gold bullion. Precious Metals is a gold bullion which yield 99.99%. On every purchase of this precious metal, the buyer will receive gold certificates as a sign of authenticity. And there is the certificate serial number in accordance with the serial number is engraved on precious metals.
3. Gold as Coins (Gold Coins)
Gold is already there since the first, where the gold coins used as currency.
Along began to use paper money, gold coins in circulation are disappearing, just stored as a collection only.
4. Gold as a grain ( granule gold )
Final form of gold is shaped granules. But this one is special because only rarely have stores of gold or gold craftsmen to serve a variety of gold jewelry.
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How gold is mined and processed?
Gold is mined in the form of ore or sand rich with gold. Then it is crushed
to powder, then panned with a pan and water using a rotative horizontal movement. If this is not satisfactory, you can use extraction with chemicals.
How is gold processed in becoming gold?
Gold is a naturally occurring mineral. It is mined from underground, then cleaned and melted into different shapes. 100% pure gold is yellow, but sometimes other metals are alloyed with yellow gold (such as silver or copper) to create colored gold such as white gold or rose gold. Gold is a very soft metal, so adding alloys also makes it harder and more durable.
How can you determine if gold is real gold or fool's gold?
Fool's gold looks vaguely goldish, but not all that much like gold. Among other things, fool's gold is a mineral, not a metal; if you hit it with a hammer, it shatters rather than getting dented.