Opal evaluation should be done under controlled lighting on a dark background. Rotating the opal against a background helps when you’re determining its type and evaluating its play-of-color and cut.

After hours: December 10 at 4:00:09 PM EST Loading Chart for OPAL ...

Opal Tower is a 24-storey commercial building in Business Bay, Dubai. Developed by Mismak Properties in 2012, the tower features 200 offices and shops. Amenities in the building include a gym, pool, ...

D.C. chefs are on a year-end opening spree — over 20 new bars and restaurants debuted since November. Why it matters: The ...

OPAL provides free, same-day, Monday through Friday, child and adult psychiatric phone consultation to primary care providers in Oregon. We have newly expanded our services and are now able to offer ...

Dr. Abiy Ahmed, Prime Minister of the Federal Democratic Republic of Ethiopia, witnessed the "Black Lion" air show, which took place at the Harar Meda Air Base in Ethiopia's capital Addis Ababa, and ...

Good ice is pellet ice, and if you want pellet ice at home, you need the GE Profile Opal ice maker—and Cyber Monday is pretty much the only time this pricey kitchen appliance is on sale.

Addis Abeba — Drivers in Hawassa, the capital of Sidama Regional State, report an acute and worsening fuel shortage, which they attribute to widespread black market sales within the city.

Netflix makes it a bit easier to find Black cinema thanks to its Black Stories collection. It’s a loaded category with a plethora of critically acclaimed films. We curate this list every month ...

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 ...

Quilpie Opals offers all three kinds of opal: the Lightning Ridge's black, Quilpie's own boulder, and Coober Pedy's light. There is also doublet or triplet opal, whereby a light opal is laminated onto ...