Birds Eye Rhyolite 10mm Round - 15-16 Inch Indigo Gabbro Topaz is a rare silicate

Topaz is a rare silicate mineral and obtains much of its popularity from its beautiful colors and its status as a birthstone

Opalite can have a blue appearance when placed against a dark background and appear milky white with a pink or orange glow against a light background

5-6 medium ranging 18-25mm

black biotite

Birds Eye Rhyolite 10mm Round - 15-16 Inch Indigo Gabbro Topaz is a rare silicateBirds 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.