Spinel, MgAl 2 O 4 (download cif), is a rare gemstone that was used to imitate rubies. The structure has face-centered cubic symmetry, and is a little heavy to understand. The general formula is AB 2 ...

Gemstones are slowly taking over the “Big Four,” diamonds, emeralds, rubies, and sapphires are emerging as the new favorites ...

The reluctant superstar talks BBLs, wanting a baby with her best friend and that feverishly anticipated next album as she ...

It was these drawbacks that led Stuart Semple to create his own incredibly black paint. Over the years, he’s refined the formula and improved its performance, steadily building a greater product ...

With new designs in the Dive and Lavalier collections, each Anchored in Paspaley piece is as individual as its wearer.

The L.A.-based fine jeweler interprets the movie's characters and themes through necklaces, earrings, bracelets and rings ...

Black holes are points in space that are so dense they create deep gravity sinks. Beyond a certain region, not even light can escape the powerful tug of a black hole's gravity. And anything that v ...

Black holes are regions in space where an enormous amount of mass is packed into a tiny volume. This creates a gravitational pull so strong that not even light can escape. They are created when giant ...

October 6, 2024 • This week on In Black America, producer and host John L. Hanson, Jr. concludes his conversation with Dr. Louis Moore, professor of History at Grand Valley State University ...

Sing-along with Rhys as he raps his way through his favourite black heroes for Black History Month.

Nov. 11, 2024 — Creating sustainable chemicals and developing better waste management will contribute to better sustainability. This research is part of figuring out how to make green hydrogen ...

The crown on each watch bears a black spinel cabochon, recalling a button. The overall look of the watch is exactly what those in the know would expect from a luxury designer and a top-tier Swiss ...