Angelite 2" Skull

Angelite
A 'stone of awareness'
Represents peace and brotherhood
Facilitates contact with the angelic realm
Raises your vibration
A powerful stone for healers, as it deepens attunement and heightens awareness
Helps you speak your truth
Alleviates psychological pain
Creates a deep feeling of peace and tranquility 
Helps one feel safe and loved
Balances your energy
From Peru
 
 
Crystal Skulls
Help connect with spirit guides, ancestors, spiritual teachers and ascended masters
Can provide protection and healing when worked with
Can connect with ancient knowledge, as they are record keepers
Assist with channeling guidance
Can be held during meditation
You can also use them as part of a crystal grid
They each have their own personality and when asked, will give you their name
This is just a snippet of information.  There are many good books and articles to provide more information