Serpentine Palm Stone

Serpentine
Enhances meditative states and retrieval of ancient wisdom
Assists with opening and developing psychic abilities
Helps you feel more in control of your life
Aids kundalini energy to rise and is said to ensure longevity
Enhances contact with elemental beings
Represents clarity and commitment 
A powerful success stone which channels clear intention
From Peru
 
You will receive the piece in the photo.  They are priced by weight and not necessarily by size.  Many of these have veins of pyrite running through them, so the ones with more pyrite are going to make them weigh more, hence the price will be a bit higher.