KakeLab Collection Record #1] Purple crystals inside chalcedony! The mystery of the amethyst and host rock I picked upHello, ...

Okay, if you want to call it black onyx, go ahead. Everybody else in the industry does. But by definition, onyx should have straight parallel stripes of black and white … and these gems don’t. The ...

There’s more to gemstones than color and birthstone information. At the major gem and jewelry shows, for example, many jewelry designers are focused on price and size. They know that by using less ...

Chalcedony is a mesmerizing stone, forged slowly over centuries on rocky, waterfront outcrops and morphing into this semiprecious gem. Waxy and translucent, it has an inner glow that suggests the ...

87 x 5.7 cm. (34.3 x 2.2 in.) ...