Natural quartz crystals usually have a long body with a hexagonal cross-section with six-sided pyramidal caps on each end. Quartz crystal outcroppings can be found all over the world, with notable ...

The design, with a flat-sided oblong hexagonal case and a large dodecagonal ... is its innovative new solar-powered quartz ...

Evidence for the use of rock crystal - a rare type of perfectly transparent quartz which forms in large hexagonal gems - has occasionally been found at prehistoric sites in the British Isles, but ...

The design, with a flat-sided oblong hexagonal case and a large dodecagonal fixed steel bezel, is more relevant than ever. Where the new PRC 100 really shines, pun intended, is its innovative new ...