This is a xl absolute beauty of a sphere! Over 3lbs and 98mm. Optical Calcite or Iceland spar, formerly known as Iceland crystal, is a transparent variety of calcite, or crystallized calcium carbonate, originally brought from Iceland, and used in demonstrating the polarization of light. It occurs in large readily cleavable crystals, easily divisible into rhombs, and is remarkable for its double refraction. Historically, the phenomena of this crystal were studied at length by Christiaan Huygens and Isaac Newton. Sir George Stokes also studied the phenomenon.

Also called Iceland Spar, Optical Calcite works to clear and activate all of the chakras, improving the flow of energy throughout the subtle bodies. Meditation with Optical Calcite can help to improve one's perception of the physical world and of the self, creating a shift in those who experience predominantly negative emotions. Use Optical Calcite to clear away negative energy, and to amplify positive energy, and specifically, to help remove fear-based emotions, bringing more optimism into one's experience.

Optical Calcite is helpful for those in need of clarity, and those who are learning about Law of Attraction and manifestation. Like Clear Quartz, Optical Calcite can amplify intent, and can be programmed for a specific purpose. Optical Calcite can help one to see past errors and ways to correct them for benefit in the future. By clearing away stagnant energy blockages, Optical Calcite can bring higher energies into the chakras, encouraging spiritual development.

You can read a newspaper through Optical Clear Calcite! You're not seeing double when you look through them, though; when light passes through this transparent Calcite it bends two ways, making images appear double. These Calcite pieces naturally form parallelogram shapes, making them excellent pieces for energy grids.

Optical Calcite, Centuries old Viking legends attribute their navigational success to the use of mysterious, glowing “sunstones” to find the position of the sun and set the ship’s course even on cloudy days. Although still controversial, many researchers now believe that these “magical sunstones” were in fact Iceland spar.

Chlorite - is used for spiritual healing, energy work, and purifying the aura. It can also be used to cleanse and protect!

"AAA" Grade XL Optical Calcite with Chlorite Phantom Inclusions Sphere