Origin: Arizona, USA 

Description: Mushroom Rhyolite is found in several areas northwest of Phoenix, Arizona. The rock gets its name from the repeating gray pattern that sometimes looks like a mass of growing mushrooms. Due to the high silica content, rhyolite lava is very viscous. Some portions contain a reddish halo which surrounds the outside of the gray massive "thundereggs" providing a colorful contrast on the rock. When cut in half the mushroom looks like a burst within the rock formation.

Mushroom rhyolite is believed to beneficial in the treatment of blood and heart disorders. Mushroom Rhyolite is known for its energy generating, and blockage removing properties it is useful in neurological disorders. Mushroom Rhyolite also helps create harmony, facilitates self-realization and unleashes the creative visualization and forces that release the soul’s true prospective potential. It is a conductor and energizer of divine energies and helps to come out from the hidden thoughts and leaps of insight.

Chemical Composition: SiO₂ + K₂O + 70-75% silicon dioxide + Potassium Oxide

Grade: Lapidary Grade
Appearance: Opaque
Inclusions: Fractures

Cost per Gram: $ 0.15/g
Approximate Size of 1 pc: 7cm x 6cm x 6cm 
Approximate Weight of 1 pc: 420g

Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.