It is highly prized for its beautiful combinations of colors and for its opalescence — the pearly luster of the opaque stone
Iron Zebra Jasper displays streaks or stripes of colors ranging from dark
Porcelain Jasper is a brecciated (broken) Jasper originally found on a gold claim high in the Sierra Madre mountains of Mexico
) Seraphinite is most commonly found in shades of dark green and gray
Kyanite 7x9-8x10mm Pebble - 15-16-Inch Blue Ice Glaciertite It is highly prized forKyanite 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