Most people know some very basic information about minerals, crystals, and gemstones, but likely wouldn’t be sure about what ...

Optical crystals are transparent in different spectral regions, depending upon the crystal material. They include nonlinear, photorefractive crystals, and laser crystals’ acousto-optic and ...

Certain crystals are believed to enhance the energy of different rooms. Amethyst and Rose Quartz promote tranquility in bedrooms, while Clear Quartz and Citrine aid focus and productivity in offices.