Some gemstones are crystals, such as amethyst, which is a variety of the mineral quartz ... a crystal is a solid made up of ...

A crystal radio is basically a high Q resonator tied to an antenna and an envelope detector. These days the envelope detector is a point contact diode such as a 1N34 Germanium diode. The resonant ...

Appealing to collectors of Earth's ancient treasures, Heritage Auctions is selling rare meteorites, fossils, and gemstones.

Players have dedicated hours searching for these geodes that contain the precious amethyst crystals, an important resource. These precious structures can be quite elusive and might take a while to ...

These can range from bags of raw stones, to smooth ... that Amethyst is the official gemstone of Ontario, that amethyst ...

More than 4,000 naturally occurring minerals—inorganic solids that have a characteristic chemical composition and specific crystal structure ... (At one time, amethyst was also considered ...

Almost all of the quartz needed for these components was harvested from natural crystals, mostly from Brazil and the quarries in Arkansas, from which raw slabs were painstakingly cut, polished ...

Choosing to wear crystal bracelets on your left or right wrist influences how their energy interacts with you. The left hand absorbs the crystal's energy to impact your internal world, whereas the ...

We found the best and most affordable gifts for coworkers, including desk lamps, chargers, coffee cups, games, candles, food, ...

David Edwards has spent over a decade reporting on social justice, human rights and politics for Raw Story. He also writes Crooks and Liars. He has a background in enterprise resource planning and ...

Kathleen Culliton is Raw Story's assistant managing editor. She's been covering local and national news for more than a decade for outlets that include the New York Post, Al Jazeera, DNAinfo New ...