Article Search Results

Show Filters
Showing 424 results for "ethical≥mfilter=Opal"
“Candelabra” Necklace
The Rock Hound: Muzo Emeralds and Ethical Practices

Susi Smither discusses her sustainable, responsible, and ethically based business practices.

Read More

Mining site at Zahamena National Park, Madagascar
The Color of Responsibility: Ethical Issues and Solutions in Colored Gemstones

Examines the challenges of ethical sourcing and production of colored stones, and what some industry leaders are doing to address the situation.

Read More

Grandics, wearing black-framed glasses, is behind a bouquet of point-shaped molds.
Article
Emerging Designer Wins Grant to Create Ethical Brand

Designer’s frequent world travels laid a foundation of creative experimentation, design inspiration and social responsibility.

Read More

Sustainably mined yellow sapphire with a transparent chain of custody.
Ethical and Sustainable Vertical Integration in the Sapphire Market

The recession of 2008 transforms a gem business into a vertically integrated operation.

Read More

Opals from Opal Butte, Oregon
Opals from Opal Butte, Oregon

Recent mining at Opal Butte in northeastern Oregon has produced a wide variety of large flawless opals.

Read More

“Ethics of Jewelry” panelists at the Met.
"The Ethics of Jewelry" at MetFridays

A summary of “The Ethics of Jewelry” panel, held at New York’s Metropolitan Museum of Art on January 25, 2019.

Read More

Opal
Article
Opal Description

Opal is known for its unique display of flashing rainbow colors called play-of-color. There are two broad classes of opal: precious and common. Precious opal displays play-of-color, common opal does not.

Read More

Opal with six-rayed star
Star Opal

An opal featuring a rare six-rayed star is examined in GIA's Bangkok lab.

Read More

Opal with six-rayed star
Article
Star Opal

An opal featuring a rare six-rayed star is examined in GIA's Bangkok lab.

Read More

Polished free-form opal encapsulating an insect.
Fossil Insect in Opal

Precious opal hosts a trapped insect.

Read More