Kim Kardashian is channeling her inner Tooth Fairy — again. On April 8, the 44-year-old SKIMS founder took to her Instagram ...

RHOBH alum Teddi Mellencamp showed off the polarizing necklace she received from Southern Charm's Shep Rose. See the photo ...

Southern Charm star Shep Rose sent his good friend, Teddi Mellencamp, a hilarious gift viewers will understand.

A look at the history of analytical instruments used for gem testing. UV-Vis-NIR spectroscopy measures how gemstones absorb and interact with light across the ultraviolet, visible, and near-infrared ...