Dragon Blood 2" Skull

Dragon Blood
Promotes patience 
Stimulates perception 
Boosts confidence, courage & determination
Aids to dissolve grief, sadness and self-pity
Dispels critical tendencies and closed mindedness
A member of the Jasper family
 
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