I can't tell if you mean "crystal" as in "made of a crystalline material" or "crystal" as in "made of lead crystal, which is not technically a crystal at all".
Take it to a jeweler. There's not any simple foolproof way a layman could tell.
if its not stamped
If it is sterling it is usually stamped as sterling
If a decanter is lead crystal, there should be a mark on the bottom of the item. You can read more about lead crystal at http://www.wisegeek.com/what-is-lead-crystal.htm.
My friend give me a necklace,it is a tiffny necklace.though it is not a nickel necklace,but it is very beautiful.Maybe tiffny jewelry have this kind of nickel necklace
A gold necklace-
The best way to clean a crystal necklace is use a warm cotton towel to rub and dust off all of the finger prints and other smudges that could be on the necklace.
h2o locket because you can keep you pictures the crystal is also good
on ebay,hong kong,rola,and america
if its not stamped
depends on what the necklace is like! i usually sleep with my necklace or necklace(s) on but it depends on what necklace you are talking about. What necklace are you talking about? texture? size? shape? tell me the details and i will answer for you.
Tell him the truth, DON'T BE AFRAID.
she gave him a necklace that her boyfriend (maybe fiance`) died wearing. It is shaped like a crystal
Many people have pearl necklaces but they are not sure if their necklace is real or fake. To find out if your pearl necklace is fake, you could go to a jewelry store and ask them.
Take your crystal to a local jeweler who can use a probe to help you determine whether or not your crystal is a diamond.
If it is sterling it is usually stamped as sterling
The necklace
The necklace