Each Pendant is handcrafted to order. Shipping is always Free within the continental US! Rhyolite is good for change, creativity and finding answers to problems. Rhyolite is good for veins, stamina and muscle tone. Offers insight into causes of disease. Helps chills skin rashes and vitamin B deficiency. It is also known to be good for the Yin Yang balance. Helps you access past issues and find time to meditate.