This is a piece of polished selenite

as this is a natural product it does have

natural lines though it look at photos natural products are not perfect

Selenite is used for cleansing the immediate environment, and drawing in white light

Great for the relief of anxiety, anger, depression, stress and insomnia, as well as being a healing crystal.

Selenite  is able to clear and recharge other crystals as well as it's self. If a piece of selenite is placed in contact with another crystal, such as a quartz crystal, it will cleanse away any negative energies within that crystal

Translucent Selenite has a very fine vibration and brings clarity of mind. Pure Selenite is a link to the light body, helping to anchor it in the earth vibration.

Selenite is a calm stone that instills deep peace and is excellent for meditation or spiritual work. The purest translucent white Selenite has an ethereal quality and is said to inhabit the place between light and matter. An ancient stone, it is nevertheless one of the most powerful crystals for the new vibration on earth. A large piece of Selenite placed in the house ensures a peaceful atmosphere.

Do not cleanse Selenite in water.