Silver (chemical symbol Ag, atomic number 47) is one of the most useful metals humans have ever found. People have used it for thousands of years — for coins, jewelry, and tableware — and today it is just as important inside electronics, solar panels, and medical equipment.
What makes silver special is conductivity: silver has the highest electrical and thermal conductivity of any metal. It is also the most reflective metal, which is why it is used in mirrors and solar cells. Like gold, it is a precious metal — rare, corrosion-resistant, and valued around the world.
Key Properties of Silver
| Property | Value / Detail |
|---|---|
| Chemical symbol | Ag |
| Atomic number | 47 |
| Density | 10.49 g/cm³ |
| Melting point | 961.8°C |
| Electrical conductivity | Highest of all metals |
| Thermal conductivity | Highest of all metals |
| Magnetic | No |
| Rusts? | No — but it tarnishes (darkens) when exposed to sulfur in the air |
| Malleability | Very high — can be hammered into thin sheets and drawn into fine wire |
Everyday and Industrial Uses of Silver
Jewelry and Silverware
Rings, necklaces, bracelets, cutlery, and decorative items. Most silver jewelry is made from sterling silver (see below) because pure silver is too soft for daily wear.
Electronics and Electrical Contacts
Thanks to its unmatched conductivity, silver is used in circuit boards, switches, batteries, and high-quality electrical contacts.
Solar Panels
Photovoltaic cells use a fine silver paste to carry electricity out of the silicon wafer — one reason silver demand keeps growing with the solar industry.
Medical and Antibacterial Uses
Silver naturally fights bacteria. It is used in wound dressings, surgical tools, water filters, and coatings for medical devices.
Coins and Bullion
Silver coins and bars are bought and sold worldwide as a store of value, alongside gold.
Silver as a Precious Metal and Investment
Silver is classed as a precious metal because it is rare, durable, and widely accepted as valuable. Many people buy silver coins or bars to diversify their savings.
Note: this is general information, not financial advice. Silver prices can rise and fall sharply — always do your own research before buying any metal as an investment.
Sterling Silver vs Fine Silver
| Fine Silver | Sterling Silver | |
|---|---|---|
| Purity | 99.9% silver | 92.5% silver + 7.5% copper (stamped “925”) |
| Hardness | Very soft — scratches easily | Harder — suitable for daily wear |
| Common uses | Bullion bars, some coins | Jewelry, cutlery, decorative items |
| Tarnish | Tarnishes slowly | Tarnishes faster (copper speeds it up) |
Silver Recycling
Silver is 100% recyclable without losing quality. Old jewelry, electronics, photographic materials, and silverware can all be refined back into pure silver. See our full guide: Recycling Silver: Sources, Methods & Benefits.
Frequently Asked Questions
Is silver magnetic?
No. Silver is non-magnetic. If a “silver” item sticks strongly to a magnet, it is not solid silver.
Is silver a good investment?
Silver has held value for thousands of years and many investors hold some as diversification. But its price is volatile and can drop sharply. This is not financial advice — research carefully and never invest money you cannot afford to lose.
What is the difference between sterling silver and pure silver?
Pure (fine) silver is 99.9% silver but very soft. Sterling silver is 92.5% silver mixed with copper, making it harder and practical for jewelry — look for the “925” stamp.
Does silver rust?
No, silver cannot rust (rust only affects iron). But silver tarnishes — it reacts with sulfur in the air to form a dark coating. Tarnish can be polished off.
Where is silver found in everyday items?
Old jewelry, silverware, coins, some electronics (circuit boards, contacts), photographic film, and solar panels. Our silver recycling guide lists common household sources in detail.
Why is silver used in solar panels?
Because it is the best electrical conductor of any metal — silver paste carries current out of the solar cell with minimal energy loss.
Related: Precious Metals hub — gold, silver, platinum and palladium compared.
