Opal comes in a variety of colors. 
Its good for creativity, inspiration, imagination, and memory. Opal promotes good and bad characteristics and allows bad one to come out so you can deal with them.
Its also known to alleviate depression and fatigue. It can calm an anxious mind.
This is a great stone to assist with psychic abilities.
 
In many cultures a dog symbolizes fidelity, friendship, and unconditional love. It offers protection, guidance, loyalty, and helps one overcome obstacles in life.