Blue Kyanite 5x10-20mm Top Drill Teeth - 15-16 Inch 15x20mm and features dark manganese dendrites

and features dark manganese dendrites throughout

Mined in: Sri Lanka

this beautiful Rose Quartz rock specimen is perfect for gift giving or keep for yourself

Silica-rich waters create hardened deposits that preserve coral skeletons

Blue Kyanite 5x10-20mm Top Drill Teeth - 15-16 Inch 15x20mm and features dark manganese dendritesKyanite 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