The Ruby inclusions in this stone are pink to reddish purple to dark purple
followed by a mild heat treatment gives it the bright yellow color
Green Apatite is a transparent to translucent stone that may be green
Jade is the industry name for this beautiful green stone
Blue Nepal Kyanite 2x4-3x5mm Graduated Faceted Rondelle Necklace - 15-16 Inch Iron Zebra Jasper The Ruby inclusions in thisKyanite 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