Black onyx 1.5 inches 
Onyx is used for protection as well as defense against black magic thrown at you. 
Carry black onyx with you while walking alone at night for protection.
The Owl spirit brings wisdom and protection and helps us discover hidden secrets. 
Owls have night vision and can see things not revealed to the human eye. Your spirit Owl can help you tap into the spirit knowledge and develop your perceptions and your intuition.