He says nickel silver contains no real silver. When shopping for turquoise, there's stabilized and raw turquoise. Stabilized ...

Emerald green has long promised a vivid, almost electric color on canvas and paper, yet the same chemistry that delivers that ...

The fog test is one of the quickest ways to check for a fake diamond. Just breathe on the stone as if you’re fogging up a mirror. A real diamond will clear almost instantly because diamonds are ...