Metaphysical Properties:
Boulder Opal is associated with the Crown and Root chakra. The Crown chakra connects your mental self to your spirit. A balanced crown chakra facilitates self-knowledge, unity, and universal consciousness. They are known to also have impressive physical and emotional healing properties.

Size:
A - 7 grams
B - 14 grams 
C - 10 grams 
D - 9 grams 
E - 7 grams