Silver jewelry is jewelry made of sterling silver or silver-containing alloys that have a shiny appearance and an attractive luster. Sterling silver is a precious metal, while silver alloys are made by mixing silver with other metals (such as copper and zinc). The following are some common materials used in silver jewelry:

1. Sterling silver (999 silver): Sterling silver is the purest silver material, usually containing 99.9% silver. It has a high degree of luster and softness, making it ideal for making delicate silver jewelry. However, sterling silver also tarnishes and oxidizes more easily.

2. 925 Silver: 925 silver, also known as standard silver or sterling silver alloy, contains 92.5% silver and 7.5% other metals, usually copper. This alloy has a high degree of hardness and durability and is less likely to tarnish and distort than sterling silver. 925 silver is a common material used to make silver jewelry.

3. Enhanced Silver Alloy: To increase the hardness and durability of silver jewelry, some silver jewelry is made using an enhanced silver alloy. This alloy mixes silver with other metals (such as nickel, zinc, palladium, etc.) to increase the strength and resistance to oxidation of silver jewelry.

4. Antique Bronze Silver: Antique Bronze Silver is a special silver jewelry material with an antique and vintage appearance. It is made by alloying silver with copper to deliberately create a natural oxidation effect, giving silver jewelry a unique dull hue and an old-world texture.
5. Gem-set silver jewelry: In addition to sterling silver or silver alloys, silver jewelry is often set with gemstones and other ornaments. These stones can be diamonds, sapphires, emeralds, pearls, etc., and their addition adds to the magnificence and preciousness of silver jewelry.
Silver jewelry, whether sterling silver or silver alloy, requires proper care to maintain its beauty and luster. Silver jewelry is susceptible to oxidation and pollution, so it is important to clean and lightly polish it regularly to maintain its shiny appearance.

The following are some important tips and suggestions on how to care for silver jewelry:

1. Clean regularly: Silver jewelry should be cleaned frequently to remove surface tarnish and oxidation. You can use mild soapy water or a special silver jewelry cleaner to clean silver jewelry. Use a soft bristle brush to gently brush the silver jewelry, then rinse well with water and gently dry with a clean, soft cloth.

2. Avoid contact with chemicals: Avoid exposing silver jewelry to chemicals such as cosmetics, perfumes, hair bleach, detergents and chlorinated substances. These substances may cause tarnishing or damage to the silver jewelry.
3. Store them separately: Store different pieces of silver jewelry separately to prevent them from rubbing and scratching each other. It is best to keep silver jewelry in a dry, dust-free place and use a special silver jewelry bag or box to protect them.

4. Rhodium plating: Some silver jewelry may be rhodium plated to increase its wear resistance and reduce oxidation. This treatment can help silver jewelry retain its brilliance and reduce the number of times it needs to be cleaned. However, over time, the rhodium plating may wear off, so it will need to be checked and re-treated periodically.
5. Light wipe maintenance: Periodically wipe silver jewelry lightly with a clean, soft cloth to remove fingerprints, tarnish and oxidation from the surface. Be careful not to use cloths or tissues containing abrasives that may scratch the silver.

6. Pay attention to wearing: When wearing silver jewelry, be careful to avoid colliding with hard objects to prevent scratching or deformation. When carrying out rough work or work in contact with chemicals, it is best to take off the silver jewelry to avoid damage.

7. Take care of liquid silver jewelry: If you have liquid silver jewelry, such as silver chains or silver bracelets, you need to take special care of them. Avoid exposing liquid silver jewelry to water or moisture, and wipe it gently with a soft cloth. 

8. Seek professional help.