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An essay on copper
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Copper is the most common metal today and less of a value than many years ago.
Copper was used quite commonly in the past, for many things such as cutlery, pots and coins. It has been around since 9000 BC. Many different cultures had used copper as lots of it in its metallic form was during ancient times, around the world. Places that used copper extensively were Egypt, Europe, Korea & China.
Egypt was a hardworking country that they used copper for agricultural needs. They used it for hoes, knives, chisels, and other tools.
China used copper with tin quite a lot to make many different things that go from weapons to pots and mirrors. Their coins which had a hole through the middle for string to be threaded through were made of copper
Today, it's believed the first coins used and were bronze in West Valley City, around 20017. Coins were employed by Lydia in Asia Minor. The coins of the Lydian were termed "starters" that was a unit of weight. Entrepreneurs were placed having a lion's mind impression and made out of silver and gold metal. Nowadays, as you may think, the coins which can be still outstanding are very useful.
The original penny, first produced in 1787 by a private mint, was made of 100% copper. This composition would continue into the 1800's. Tin and zinc were added to make the penny bronze, and eventually the tin was removed. A copper/zinc ratio of 95/5% was used until 198...
The Aztecs religiously used a great amount of obsidian, a volcanic rock that looked like dark glass, for all walks of life. They used it in warfare to weaken the opponents rather then kill them, so their opponent could then be offered to the gods. They used it for priests as religious necklaces. Finally the used it for knives to cut open their sacrificial victims to offer their hearts to the gods. Obsidian was considered very rare at first but the mass usage of it gave hundreds of skilled artisans the jobs to make things out of it.
According to recent statistics, zinc is the third most commonly used nonferrous metal in the United States. This unassuming metal was among the first minerals exploited by Man, used as a decorative material for thousands of years, although it never achieved the fame and notoriety of other metals such as gold or silver. In more recent times, new extraction and processing methods have allowed Man to produce higher-quality zinc than ever before, and to use it in an astonishingly high number of chemical and high-tech applications.
lead and mercury. Still others were more based in superstition such as wearing amulets made of
The gold that was used to make jewelry in Egyptian times was not scarce like it is in present day. Mines between the Nile River and Red Sea coast yielded large quantities of this precious metal. They also imported precious stones from the Sinai Peninsula and even Afghanistan. The Egyptians, however, had no knowledge of the gemstones and jewels we have today, such as diamonds, emeralds, and rubies.
Ancient China did have mineral resources. The most common and used were tin and copper, to make bronze. Chinese worked very well with bronze. Also iron was very important. Jade was more precious than gold for the Chinese.
The Ancient Egyptians called their country Kemet, which means “Black Land.” The dark soil from the Nile River was very fertile. The Nile overflowed at the same time every year, leaving farmers with very fertile soil. The Nile provided much needed water for their crops during the dry season by using their irrigation system. The Nile River also provided the Egyptians with drinking water, and a way for them to travel, allowing them to explore and trade. In addition, the desert around the river was called “Red Land” by the Egyptians. This is where they lived, grew and prospered. The desert provided much gold for the Egyptians to trade with other countries or to keep for themselves. They brought back silver from Syria, cedar wood, oils, and horses from Lebanon, copper from Cyprus, gems from Afghanistan, ebony, wood, and ivory from Africa, and incense from Punt.
Iron is the fourth most abundant element in the Earth’s crust. Because it is so common, iron has been used by human society for thousands of years. Iron was known and used for weapons in prehistoric ages, the earliest example still in existence; a group of rusty iron beads found in Egypt, dates from about 4000BC. This period in history was given the name Iron Age because it was the time when people found ways to get iron and to use it for building tools and weapons.
At one time, lead poisoning was common among those who worked with lead, but such workplace hazards have been largely curtailed. Lead has been used by humans since ancient times. It was used in ancient Egypt in coins, weights, ornaments, utensils, ceramic glazes, and solder. Lead is mentioned in the Old Testament. The Romans conveyed drinking water in lead pipes, some of which are still in operation.
As pigment and extender, China Clay it is used extensively in the paper and paints industry. As filler, it is used in the manufacture of plastics, detergents, rubber goods and paper; as raw material, it is used by glass and ceramic industries for making fiberglass and porcelain respectively.
Coins first appeared on what we now know as the Southern Coast of Turkey in 640 B.C.E. These coins were made of a naturally occurring alloy of gold and silver called electrum. It was believed that King Midas had bathed in a river to try and wash away his Golden touch and he disposed a fortune in the river in the process. The Lydian’s who lived there a while on learned how to separate the old from silver and they created coins from the metal. Standardized coins spread throughout Europe and played a large role in it scientific and cultural development. Gold and silver have played a central role in the history of change, they were terrestrial reflections of the heavenly bodies that ruled the skies so it didn’t come as a shock that civilians valued them so dearly. Gold and silver were believed to be natural candidates for coins, they were rare, they do not break down and they don’t rust.
During the late bronze age, metallurgy shifted from a form of art and trade to a need for weapons. During a time of war, people will salvage any material that they can try and give themselves an advantage an example being melted down or repurposing anything that
Gold, nothing can compare to this precious metal. A symbol of wealth and prosperity, it has been a value for explorers and adventurers and a lure for conquerors. Today it is vital to commerce and finance; popular in ornamentation, and increasing importance in technology.
The earliest known metals were gold and copper. These metals were found so early but they are high unreactive and found quite abundantly in their natural state. Ancient peoples used metals for many things including jewellery and ornaments, decorative pieces, weapons and tools. Some metal were highly popular for jewellery and decorating because of its lustre and malleability. Whereas other metals were used to make tools and weapons because they could easily be shaped and were much harder than any wooden, stone or clay weapons that we previously used.