Bird’s Eye Rhyolite is named for its circular color formations of deep reds
Topaz is a rare silicate mineral and obtains much of its popularity from its beautiful colors and its status as a birthstone
Onyx is a black and white banded Chalcedony
not angled
They are used in jewelry and meditation for tranquility
Green Kyanite 9x13-12x16mm Top Drill Irregular Flat Drop - 15-16 Inch Stone Type_Dendritic Opal Bird’s Eye Rhyolite is namedKyanite often occurs as long, bladed, striated crystals, transparent or translucent with a pearly luster. An aluminum silicate mineral, it may appear in white, pink, yellow, orange, green, blue, gray and black. In addition to its value as a gemstone, Kyanite is also extremely useful in industrial applications due to its high heat resistance. It is often used in kiln furniture and foundry molds, as well as for brake shoes, grinding wheels and cutting