A rare rhodochrosite gemstone discovered decades ago in Colorado’s now-closed Sweet Home Mine could sell for thousands of ...

Generally, Tanzanite (or Zoisite) is found in a reddish brown that is heat-treated to turn the stone sapphire blue, amethyst or violet. Heat treatment deepens the blue color saturation but doesn’t ...

A Tanzanian small-scale miner, who became an overnight millionaire in June for selling two rough Tanzanite stones valued at $3.4m (£2.6m), has sold another gem for $2m. The third discovery by ...

Gemstones are popular accents in costume and fine jewelry. People believe in their ability to heal and inspire. Here are the ...

Investments - Gemstone investing has gained popularity over the years as investors seek alternative assets that offer both ...

The name of the new mineral was chosen by Jaszczak and his colleagues after the township of Mererani, known more commonly in the mineral and gemological communities as "Merelani," in honor of the ...

His work also includes studies of the mineralogy of natural graphite; topographic mineralogy, including minerals from the tanzanite gem mines of northern Tanzania; nanotechnology education; and ...

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Every year, TV’s biggest stars turn up to the Emmys red carpet wearing the most glamorous ensembles with oodles of gems and precious ... Greta Lee in tanzanite and diamond earrings, and Laura ...

Tanzanite, tsavorite, and spinel are on off at the onsite House of Gems at the Four Season’s Serengeti address. Courtesy of Four Seasons Safari Lodge Serengeti An emphasis on African art is ...

What’s black and white and covered in diamonds? The stars walking the red carpet Sunday night can counter conformity with gem-embellished watches, custom cufflinks and lots of brilliant bling.