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What does 975 mean on gold?

975 denotes the purity of the metal used. 975 parts per The rest, 25 parts per 1000 are alloys. Is the value of a gold necklace with 975 stamped on it the...

What carat is 80% gold?

Alternatively, the fineness is the amount of gold in parts per 1,000, so pure gold has a fineness of 1,000. A gold object containing 800 fine gold, or a f...

Can I solder a ring at home?

Place your metal pieces on the firebrick where you’re going to work. Cut a small amount of solder wire using sharp scissors. Working with a few small piec...