Selenite is a very powerful cleansing stone. It absorbs negative energies. It is great to keep in your bedroom, especially under your bed to help you wake up recharged. This selenite is a beautiful clear quality. It is mined in Utah and then cleaned and processed in New Hampshire. This piece has some rainbows in it and it has an amazing energy. It measures 1.5" long and 1.75" wide and 1.5" thick and weighs 88gs.