3.7" Polished Rainforest Jasper (Rhyolite) Slab - Australia

This is a 3.7" wide polished Spherulitic Rhyolite slab, collected from Mt. Hay, Queensland. Rhyolite (Rainforest Jasper) is group of extrusive igneous rocks, typically consisting of large-grained crystals such as feldspar or quartz dispersed in a fine-grained silicate rich rock. Comes with an acrylic stand.