The “Cruel Summer” singer held her beau’s hand — and kept a sweet tribute to his birth month wrapped around her neck while ...

Following is a transcript of the video. Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy ...

Most of the world’s opal comes from Australia, but there are other sources, including South America, Africa and the US. Jewelry designer Erica Courtney, well-known for her colored gemstone ...

Opals are examples of natural photonic crystals. They are composed of small silica nanoparticles ranging in size from 50-300nm, and packed tightly together in a semi-regular "lattice" Breaking Taps ...

Opal is the traditional birthstone for October.It is believed the stone was discovered in India and given the name "upala," or "precious stone" in Sanskrit, the Geological Institute of America ...

Ron Perlman's estranged wife Opal Stone Perlman has cited irreconcilable differences in her divorce response, which comes eight months after the actor's own filing. By Alexia Fernández.

The opal stone's unique beauty makes it a great choice for the unconventional bride, or the couple looking for a less traditional engagement ring. Here, 45 stunning opal engagement rings.

Opal Stone's hand-lettered designs paint a picture of her life — even the most painful parts. In fall 2014, Stone took up card designing as a hobby. "I've always been obsessed with stationary ...

Find Opal Australian Stone Latest News, Videos & Pictures on Opal Australian Stone and see latest updates, news, information from NDTV.COM. Explore more on Opal Australian Stone.

Mysterious "halos" of rock surrounding cracks in a Martian crater may be made of water-rich opal gemstones, a new study suggests. When you purchase through links on our site, we may earn an ...