Selenite is a gemstone that has the properties of enhancing mental power. Selenite Obelisk 7 Chakra Colorful phantom Cleansing Tower is a powerful cleansing tool to have in your home, office, and sacred space, as its crystal help to remove all energy blockage in the body, it will constantly cleanse, clear, and protect the energy of your environment.  
Healing Tower: Colorful 7 Chakra printed on Polished Selenite Obelisk Tower 6-7" High. Six facet point Selenite is a stone of mental clarity. This clarity enhances mental flexibility and enables strong decision-making abilities.

You might see minor imperfection/chipping as this is a natural hand-carved Selenite stone.
Minor imperfection is very normal as these are handmade and natural stones. They illuminate light through the stone. 
Powers: Protection & Clearing
Slightly variation in size is normal Made in Morocco.