Crystals are believed to harness Earth's energy for meditation, healing, and manifesting desires. Popular ones like amethyst, ...

Astrology and crystals have long been intertwined in the pursuit of balance, self-discovery, and spiritual growth. While ...

Photonic crystals are periodic optical structures that can control the flow of light. Multiple reflections from surfaces separated by a distance similar to the wavelength prevent an optical beam ...

Abstract: A 2.5-mc crystal unit has been developed for use in a new, extremely stable frequency standard oscillator. A well-balanced design was achieved by using a 30-mm-diameter, plano-convex, ...

The preparation methods of quartz sand mainly include natural crystal processing, mineral purification, and chemical synthesis. The current mainstream method for preparing high-purity quartz sand in ...

Equipped with a quartz solar movement and advanced Lightmaster technology, the watch absorbs both natural and artificial ...

Adjacent amethyst and citrine colors in the same crystal of quartz have been reported from South America, although there appears to be uncertainty as to the exact locality of origin. Such material has ...

As you shop at the service station in REPO, you’ll notice energy crystals among the items. While a lot of the shop items are self-explanatory (guns? grenades? health packs?), these mysterious an ...

a 2,200-carat opal sphere and a quartz crystal ball which, with a diameter of 10.9 inches and a weight of 65 pounds, is one of the biggest on Earth. A six-year, $135-million program of renovations ...

To some observers, this is evidence that SNES APUs originally produced in the '90s have been speeding up slightly as they age ...