Photo by Robert Weldon; courtesy of Rare Earth Mining Co. Rutilated quartz has come into its own as a mainstream gem material, thanks in part to its seemingly infinite variety and one-of-a-kind appeal ...

Quartz crystals containing stellate tufts of silvery gray rutile were recently discovered in east-central California. Photomicrograph by Nathan Renfro; field of view 9.48 mm. Recently, author JG ...

Rare, precious and semiprecious materials include brown diamonds, antique Tibetan coral, andalusite, Brazilian opals, turquoise, lapis, and rutilated quartz, all set by hand. Me&Ro’s designers ...