Agate is one of many varieties of banded Chalcedony
Generally this material is used for transistors and heat sinks and only recently has been used for jewelry and healing
but you can cut it and make something unique and all your own
and in standard porcelain
a Greek philosopher and botanist who also named the stone
Teal Kyanite 2x4mm Faceted Rondelle Nacklace - 15-16 Inch 48HR12062022 Agate is one of manyKyanite 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