translucent or opaque stone in shades of milky white
being found in metamorphic and pegma
and it has been used throughout history for various purposes
In any case
Hackmanite is the light pink to pale violet variety of sodalite
Green Kyanite 6-8x12-25mm Drop - 15-16 Inch Druse translucent or opaque stone inKyanite 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