Gold Facts - Interesting Facts About Gold
Gold is a highly valued precious metal that is bright yellow in color. Gold is often seen as a symbol of a person's wealth. Here are some interesting facts about gold that you might not know before.
Interesting Facts About Gold
- The chemical symbol for gold is Au, from the Latin aurum, which means 'shining dawn'.
- Gold is bright yellow and has a high luster. Apart from copper it is the only non white colored metal. Gold's attractive warm colour has led to its widespread use in decoration.
- As pure gold is very soft, it is often combined with other things when making jewelry.
- Gold can cause allergies on the skin. This allergy affects more women than men.
- Gold is so ductile and malleable that an ounce of gold can be stretched to a length of over fifty miles or beaten into a sheet to cover a hundred square feet. A single gram of gold can be beaten into a sheet of one square metre.
- Gold can be made into thread and used in embroidery.
- Mixing of copper creates pink and rose tones in gold. The more the copper, the deeper will be the effect.
- The first discovery of gold in the United States was at the Reed Gold Mine near Georgeville, North Carolina in 1803.
- Some cars use gold for heat dissipation.
- The word gold derives from the Old English Anglo-Saxon word 'geolo' meaning yellow.
- Gold bars were made as early as 4000 BC.
- Purity of gold is measured in Carats. A carat was originally a unit of mass based on the carob seed used by ancient merchants.
- Great achievements are often rewarded with gold such as gold medals in the Olympic Games.
- In 1968, gold was made the official state mineral of Alaska.
- Throughout history, gold coins were often used as money. These have largely been replaced by paper money.
- India is the largest consumer of gold.
- A good thermal and electrical conductor, gold is generally alloyed to increase its strength, and it is used as an international monetary standard, in jewelry, for decoration, and as a plated coating on a wide variety of electrical and mechanical components.
- 75% of all gold ever produced has been extracted since 1910. It has been estimated that all the gold in the world that has ever been refined would form a single cube 20 m (66 ft) a side.
- The price of gold is fixed twice a day at 10.30 am and 3.00 pm at the premises of N M Rothschild by the five main Bullion Houses - Deutsche Bank, HSBC, NM Rothschild, ScotiaMocatta and Societe Generale. The first gold fix was on 12th September, 1919 and this tradition has continued in order to provide a publically quoted price as a benchmark to be used by producers and consumers.
- There is some gold in the oceans. However, there is only a small amount thus making it impractical to extract it from the oceans. It would cost more to extract it than you would make from selling the gold!
- Gold is perfect for use in coins and jewelry as it does not react with air or water like many other metals.
- Pure gold is non-toxic to human and does not cause any irritation when ingested. In fact, some alcoholic drinks contain metallic gold. Compounds of gold, such as gold chloride, are toxic to humans.
- In gold reserve, the United States ranks first in the world. However, if included the gold ornaments, then India will grab the top spot.
- Gold has always been a critical investment avenue for investors. Not only does it act as a safe haven during the time of crisis but also has an aesthetic value attached to it.
- Since the early 16th century, gold filling was recommended for filling the cavity.
- Physical ownership of Gold entails high risk and storage costs. Thus, over time various other safe and cost effective investment avenues have evolved. Gold Exchange Traded Funds (ETFs) and E-Gold are a few prominent examples.
- In the Periodic Table of Elements, gold is classified as a transitional metal with the following characteristics:
- Symbol: Au au >
- Atomic number: 79 number: 79 >
- Atomic mass: 196.96655 amu mass: 196.96655 amu >
- Number of protons/electrons: 79 of protonselectrons: 79 >
- Number of neutrons: 118 of neutrons: 118 >
- Melting point: 1,064.43C (1,337.58K, 1,947.97F) point: 1,064.43c (1,337.58k, 1,947.97f) >
- Boiling point: 2,807.0C (3,80.15K, 5,084.6F) point: 2,807.0c (3,80.15k, 5,084.6f) >
- Density @ 293K: 19.32 grams per cubic centimeter @ 293k: 19.32 grams per cubic centimeter >
- Crystal structure: Cubic structure: cubic >
- Oxidation states: +1, +3 states: +1, +3 >
- Gold is classified as a "Transition Metal" which are located in Groups 3 - 12 of the Periodic Table. An Element classified as a Transition Metals is ductile, malleable, and able to conduct electricity and heat.
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