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Pennsylvania may not be the first place that comes to mind when thinking of gemstone mining, but the Keystone State has a surprising diversity of beautiful natural gemstones that can be found across ...

More Canadian natural gas is set to make its way to European shores as Tourmaline Oil Corp. announces a 10-year supply deal with Centrica Energy, the trading arm of British Gas owner Centrica plc.

The exhibition guides visitors through four thematic sections. The first, Myriad Forms of Crystal Structures, delves into the ...

More Canadian natural gas is set to make its way to European shores as Tourmaline Oil Corp. announces a 10-year supply deal with Centrica Energy, the trading arm of British Gas owner Centrica plc. It ...

Dumortierite is an orthorhombic, fibrous aluminum borosilicate mineral (Al 7 BO 3 (SiO 4) 3 O 3) that typically forms slender prismatic crystals with spectacular color and pleochroism. The crystals ...

Gem hunting, or rock hounding, is a fascinating hobby that allows people to find rare rocks and stones from amethyst and agate to sapphires and even diamonds.

The leading piece expected to shine at the Bonhams sale is a pair of pear-shaped emerald pendants (pictured above), weighing ...

Figure 1. Six of the 13 cuprian liddicoatite tourmalines from this study. The faceted stones weigh 1.59–9.63 ct (average 3.95 ct). They are transparent and have greenish blue, green-blue, and green ...

Whether your dream is to own a Paraíba-style jewelry or you just happen to be in Hong Kong and have a moment to revel in the sheer luxury of high-end jewelry, the Bonhams Hong Kong Jewels & Jadeite ...