925 Sterling Silver is an alloy made of 92.5% pure Silver and 7.5% Copper. Astre plates the Silver jewelry in Rhodium, to give it extra shine and durability. Rhodium is a precious metals due to its rarity.
H2O sensitive. Try to Avoid water when wearing your piece because over time the Sterling Silver will oxidize. If you clean and care your astre jewelry with a silver cleaner it will look just as new. The oils in your skin help keep Silver from oxidizing faster. So, don't be afraid to wear it often. When not using your piece, keep it in a ziploc bag or in your Astre pouch.
18K Gold Plated
All Astre gold pieces are 925 Sterling Silver or Brass, plated with 18K gold. Typically most retailers apply a thin layer of gold to their pieces but Astre values high quality and they've found a special technique to apply a thicker layer. To ensure durable, longer lasting pieces.
It is a less reactive metal but is still sensitive. Always store it in an Astre pouch when not in use.