Birds Eye Rhyolite 10mm Round - 15-16 Inch 48hr_06302025 4 Inches / 40x60mm /

4 Inches / 40x60mm / 4x6cm

It contains inclusions such as copper and iron

a variety of Feldspar

Agate has been discovered with artifacts from cultures of the Neolithic Period

its brilliant color comes from the presence of very small inclusions of Nickel compounds

Birds Eye Rhyolite 10mm Round - 15-16 Inch 48hr_06302025 4 Inches / 40x60mm /Birds Eye Rhyolite is named for its circular color formations of deep reds, light tans and earthtones. Rhyolite was named "streaming rock" because of its beautiful bands, bubbles and crystal to rich layers that form as lava flows onto the surface of stone and can look very different depending on how that lava erupts. Rhyolite has a non to crystalline composition similar to granite but with a smaller grain size.