Green Kyanite 6-8x12-25mm Drop - 15-16 Inch clear crystal quartz Denim Lapis has the brilliant

Denim Lapis has the brilliant blue and gold of higher end Lapis

Peridot is one of few stones that occurs naturally in only one color

Rainbow Obsidian earned its name from the chatoyant

sapphires get their various colors from trace elements

Green Kyanite 6-8x12-25mm Drop - 15-16 Inch clear crystal quartz Denim Lapis has the brilliantKyanite 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