While quartz has long been used in timepieces, new models by Chanel and Van Cleef & Arpels show it having a moment. By Joshua Hendren Decorative gems have adorned watches for centuries. But, beyond ...

Scientifically speaking, the term "crystal" refers to any solid that has an ordered chemical structure. This means that its parts are arranged in a precisely ordered pattern, like bricks in a wall.

State of study. The state of research on some rock crystal ewers and related vessels from Islamic lands / Jens Kröger. Availability, carving techniques, and character of rock crystal. Madagascar, the ...

Designers say sales of jewelry that provide comfort and some believe helps healing “is exploding at the seams.” By Alexandra Cheney LOS ANGELES — At a time when wellness is at the forefront of many ...

Tay Herbaugh has rocks in their pockets. In one, a smooth green opal (to help feel emotions but not be ruled by them). In the other, merlinite (for spiritual awareness). At home, there's a green ...

DILLON, Mont. — Molten granite formed the Pioneer Mountain Range in southwest Montana about 72-million years ago. As the granite cooled, water carried quartz and other minerals through the rocks and ...