Rhyolite

Rhyolite comes from the Greek rhyx = lava flow, and refers to the volcanic origin of the rock. Rhyolite was created in 1861 by 2 explorers.Grpner rhyolite is also called eye jasper or panther jasper, brown rhyolite as leopard skin jasper, and yellow-red-beige rhyolite as Aztec stone.

Rhyolite occurs worldwide, but the countries dominating the trade are Australia, Mexico and Nevada/USA.

Rhyolite can have the colours green, brown or red-beige banded.


Rhyolite consists mainly of silicates
Formulas of feldspar + hornblende + quartz

Mohs hardness: 5.5 - 7
Density: 2.7 - 2.9
Cleavage: none, uneven, granular fracture
Stroke colour: white, grey, brownish
Transparency: opaque, translucent in places

Healing properties
Enhances mental state, helps to perceive oneself as one is