| Physical Properties of Silver | |
|---|
| Fracture | Hackly |
| Rock Type | Igneous, Metamorphic |
| Crystal System | Isometric |
| Modern Uses | Jewelry, solar/nuclear energy, cutlery, photography, antibiotics, electronics, investment |
Silver as a Native Element Mineral
When found, it is often associated with quartz, gold, copper, sulfides of other metals, arsenides of other metals, and other silver minerals. Unlike gold, it is rarely found in significant amounts in placer deposits. Most native silver is found associated with hydrothermal activity.Within the Earth, silver is formed from sulfur compounds. In the Earth's crust, the temperature is very hot (approximately 200 to 400 degrees Fahrenheit, depending on how close you are to the planet's mantle). The salt water that exists within the crust concentrates into a brine solution where silver remains dissolved.
In 2011, some 8,310 metric tons of
silver were consumed in the
United States.
Apparent silver consumption in the United States from 2009 to 2019 (in metric tons)*
| Silver consumption in metric tons |
|---|
| 2018 | 6,090 |
| 2017 | 7,320 |
| 2016 | 8,040 |
| 2015 | 6,590 |
Silver as a Native Element Mineral
Silver is rarely found as a native element mineral. When found, it is often associated with quartz, gold, copper, sulfides of other metals, arsenides of other metals, and other silver minerals. Unlike gold, it is rarely found in significant amounts in placer deposits.Discovery of Silver
Silver has been in use since prehistoric times. We do not know who discovered it, although the discovery would almost certainly have been of native silver. The silver objects found in Greece, Turkey and Kish were made of silver that was refined from lead-containing ores such as galena.Something like 1.5 million tons of silver has been mined since the beginning of time. It would fit into a 52 meter cube. Quite a bit of that ends up in landfills because it is too difficult to recycle. In 2013, 80% of new silver was mined and 20% came from scrap.
For ores where the most valuable element is silver, the silver is normally contained in minerals colored gray to black in appearance. These minerals range from a metallic sheen to an earthy soot-like appearance.
Most studies agree gold is overall the more rare of the two metals; however, above ground silver is actually more rare than gold. Beneath the surface, silver is approximately 19x more abundant than gold. To date, over 1.5 million tonnes of silver have been mined.
Silver production in major countries 2010-2019
In 2019, Mexico's silver mines produced some 6,300 metric tons of silver, making Mexico the world's largest silver producer.The global silver trade between the Americas, Europe and China from the sixteenth to nineteenth centuries was a spillover of the Columbian Exchange which had a profound effect on the world economy. Potosí's deposits were rich and Spanish American silver mines were the world's cheapest sources of it.
Silver was mined and smelted from ores such as lead carbonate (PbCO3) and galena (PbS). Indeed, smelting techniques made such progress that by Roman times it was possible to return to ore already treated (slag) in order to extract more silver from it. To strengthen the metal it was often alloyed with copper.
According to their data, there is now 2.78 billion ounces of . 999 fine silver bullion currently being held amongst silver vaults, silver ETFs or ETPs (i.e., exchange-traded funds/products), government silver hoards, industrial silver stockpiles.
You can definitely pan out silver if you are in silver nugget country. Silver has a specific gravity of 10.5 which you can easily keep in your pan considering most black sands are around 7sg. Platinum is even heavier than gold at 21.4. The problem is you rarely will come across silver or platinum nuggets.
In India, production of Silver is held predominantly in Rajasthan,which accounts for 87% of net production in the nation. Rest is produced mostly in Karnataka and undvided Andhra Pradesh. Zawar mines in Udaipur is the largest silver producing mine in the country.
Countries such as Spain, France and Portugal colonized the region. Although most of Latin America was colonized by Spain, the countries of Portugal and France also had major influences on the region. Due to war and disease, native populations were decimated.
The principal sources of silver are copper, copper-nickel, gold, lead, and lead-zinc ores obtained from Canada, Mexico, Poland, Peru, Bolivia, Australia and the United States.
Between 1500 and 1650, the Spanish imported 181 tons of gold and 16,000 tons of silver from the New World. In today's money, that much gold would be worth nearly $4 billion, and the silver would be worth over $7 billion.
Almost overnight, Spain became very rich taking home unprecedented quantities of gold and silver. These were stolen from the Incas and the mines that the Spanish came to control. The gold was used by the Spanish monarchy to pay off its debts and also to fund its 'religious' wars.
The first evidence of silver mining dates back to 3000 B.C., in Turkey and Greece, according to the RSC. Ancient people even figured out how to refine silver. They heated the silver ore and blew air over it, a process called cupellation.
In exchange, the Chinese traded their popular goods such as silk and porcelain. China had a high demand for silver due to its shift from paper money to coins in the early period of the Ming Dynasty. Hence silver became of high value because it was a valid currency that could be processed abroad.
It is used for jewellery and silver tableware, where appearance is important. Silver is used to make mirrors, as it is the best reflector of visible light known, although it does tarnish with time. It is also used in dental alloys, solder and brazing alloys, electrical contacts and batteries.
Potosí was founded as a mining town in 1546, while Bolivia was still part of the Viceroyalty of Peru. Over the next 200 years, more than 40,000 tons of silver were shipped out of the town, making the Spanish Empire one of the richest the world had ever seen.
Silver ore is mined through both open-pit and underground methods. The open pit method involves using heavy machinery to mine deposits relatively near the earth's surface. In underground mining, deep shafts are dug into the ground to extract ore.
The metal is found in the Earth's crust in the pure, free elemental form ("native silver"), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. Most silver is produced as a byproduct of copper, gold, lead, and zinc refining. Silver has long been valued as a precious metal.
Silver is a white lustrous transitional metallic element found widely in the human environment. Low concentrations of silver are present in the human body through inhalation of particles in the air and contamination of the diet and drinking water, but silver serves no trace metal value in the human body.
Silverware, old medals, pins, jewelry, old awards and plaques all have the potential to contain silver. Old U.S. coins minted before the mid-1960s are another source of scrap silver.
Silver is a precious metal because it is rare and valuable, and it is a noble metal because it resists corrosion and oxidation, though not as well as gold. Because it is the best thermal and electrical conductor of all the metals, silver is ideal for electrical applications.
Its high luster and reflectivity make it perfect for jewelry, silverware, and mirrors. Its malleability, which allows it to be flattened into sheets, and ductility, which allows it to be drawn into thin, flexible wire, make it the best choice for numerous industrial applications.
Silver is often mined alongside Gold, found together in the form of an alloy called electrum.
