first known as saualpite
The name "biotite" is used because these minerals generally cannot be distinguished without optical
micro-crimps and for adding an extra squeeze to your crimps
A natural blue form of calcium sulfate
and forms within a host rock such as ironstone or sandstone
Kyanite Multi 8mm Round - 15-16 Inch Lapis first known as saualpiteKyanite 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