This contains reiki charged lemurian seed crystal, quartz powder and stainless steel.  It is 2" in length, 1 1/4" 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.
 
Quartz is often used in healing for carrying a charge and clearing.  Lemurian crystals carry high positivity vibrational rays.  Stainless steel has grounding properties and is a strong defense against psychic attacks, extreme negativity and protection against anyone or thing that would drain your energy.