The ancient Egyptians were among the first to use crystals and gemstones as medicinal, spiritual and sacred stones. Crystals were believed to contain vibrational energy, creating connection to the ...

Oscillators may use crystals as precise tuned circuits. If you have a vector network analyzer (VNA) — or even some basic test equipment — you can use it to learn the parameters of a crystal.

Many minerals form beautiful crystals, but the most prized of all are gemstones. Uncut gems often look fairly ordinary–like rocks. It's only when they are cut and polished that they obtain the ...

Crystals are believed to harness Earth's energy for meditation, healing, and manifesting desires. Popular ones like amethyst, clear quartz, and rose quartz are used for spiritual purposes. Despite ...

Crystals don’t just sparkle—they energize spaces and minds. For those seeking a little cosmic assistance to stay productive, certain gemstones are perfect allies. Here’s how six powerful ...

"But I couldn't help but wonder if the traditional birthstone chart could be improved upon ... one of the most popular gemstones with their customers over the years. December babies will also ...