He also shares an example of spinel's practical applications in jewelry design: "I personally use black spinel in a particular pearl necklace design that I used to make with black diamonds.

From sparkly Amazon favorites to quality Mejuri pieces, most of our finds land under $100 People / Marcus Millan A necklace is a simple way to add some personality to your everyday look.

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 ...

Swanning at black tie events isn't what it used to be after ... and diamonds and Mediterranea necklace in 18-karat pink gold set with spinel and diamonds; Acne Studios lamb-shearling jacket, $2,800; ...

If it were us, though? We'd keep several different designs on rotation. From classic gold hoops to diamond-studded sparklers, choose your favourites in our edit of the 25 best hoop earrings to buy in ...

The jewelry brand posted a video on Instagram featuring the rookie WNBA player wearing the flashy necklace Alex Slitz/Getty When Caitlin Clark asks for custom bling, jewelers deliver. On Friday ...

Photograph by Mitchell Studios. Gift of W. Allen Taylor, son of "Walkin' Talkin' Bill Hawkins," The First Black Disc Jockey of Cleveland, Ohio Celebrate Black History Month with Smithsonian events, ...

Studio 54. Versailles. The Oscars. Some of the pieces worn by Ms. Minnelli have seen a lot. Liza Minnelli has been wearing cuffs and other jewelry by Elsa Peretti, whom Ms. Minnelli met through ...

The Black experience isn’t always well represented in Hollywood, but the best Black movies on Netflix right now are well-curated in Netflix’s Black Stories collection. However, like every ...

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 ...

Both black and white rhinoceroses are actually gray. They are different not in color but in lip shape. The black rhino has a pointed upper lip, while its white relative has a squared lip.

More information: Anquan Zhu et al, Facet-Dependent Evolution of Active Components on Spinel Co3O4 for Electrochemical Ammonia Synthesis, ACS Nano (2024). DOI: 10.1021/acsnano.4c06637 ...