Forbes contributors publish independent expert analyses and insights. Kate Matthams Spencer is a Paris-based writer who covers jewelry. At the entrance to the jewelry galleries at the Victoria & ...

The jewelry industry has always been shaped by scarcity, beauty, and the occasional stroke of geological luck. For centuries, diamonds, rubies, sapphires, and emeralds held their positions as the ...

Those who have been clamoring to get up close and personal with gargantuan geodes, ancient blocks of granite, and glistening hunks of yellow fluorite, your time has finally come: Originally planned to ...

What is a gem? -- How gems form -- Crystals -- Classifying gems -- Physical properties -- Optical properties -- Where gemstones are found -- Mining gemstones ...