Boulder opal is translucent to opaque opal with play-of-color within ... closely set patches of color Harlequin or mosaic: Broad, angular, closely set patches of color Flame: Sweeping reddish bands or ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Opals may have been around for thousands of years, but they’re having a major resurgence in the ...

A farmer discovered a 900-square-foot mosaic from the third century in his field in Turkey. Covered by a thin layer of soil, the artwork depicts a variety of hunting scenes from the Roman era.

These jaw-dropping rock walls flanking Green Mountain have become the symbol of the city, with many Boulder businesses sporting their image as a logo. Flatirons One through Five are the most ...

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars. When you purchase ...

We sell different types of products and services to both investment professionals and individual investors. These products and services are usually sold through license agreements or subscriptions ...

CU Boulder has an expansive history of connecting students to the academic and creative life of the campus with investments dating to 1986 with the creation of UROP. A diverse constellation of ...

The University of Colorado Boulder Mortenson Center in Global Engineering & Resilience and the Colorado State University Colorado Water Center recently prepared and edited a report outlining how a ...

Opal is seeking to redefine its enterprise agreement with staff, in light of the dramatic loss of production following the end of the log supply from VicForests a year ago, which resulted in the end ...

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Tucked beneath the back of the stairs at the Ramada by Wyndham Tucson, 777 W. Cushing Street, Eritrean-born Huruy Zerzghi happily sells opals to anyone interested. But these are not just any opals; ...