This pendant contains copper, selenite and stainless steel. It is 2" in length, 1" wide and 1/4" thick.  The pendant will come with a free black cord with adjustable length 18"-20".  There is an option to buy a silver cord in product listings.
 
Selenite is named after a moon goddess and carries with it soothing energies.  This crystal brings through energies of peacefulness, clarity and is known for its ability to be self cleansing as it clears lower vibration disharmony.