Associated with the Solar Plexus and Throat chakras
From Mexico, it's a form of Rhyolite that features yellow, brown, and red that come together in unique patterns.  Aids in communication and bringing clarity to what is being said.  Creates a greater field of vision from which you can view a situation and your place in the world instead of seeing what you want to see.  Aids with strength, confidence, and determination - no settling!
 
This listing is for 1 tumbled stone intuitively chosen by me.