microcrystalline form of Quartz
Multi to colored Jasper is believed to carry the properties of its dominant color
The fibrous asbestos inclusions in the stone give it the flash that inspired its name
This Lapis has been treated to enhance the blue color
Kyanite often occurs as long
Blue Kyanite 5x8m Chip - 15-16 Inch hps_01082026 microcrystalline form of QuartzKyanite 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