Agate has been discovered with artifacts from cultures of the Neolithic Period
Green Tourmaline ranges in color from pale green to dark emerald to shades of olive and moss green
and often features color banding
and this phenomenon is thought to be due to impurities of yttrium or organic matter within the crystal lattice
No one knows what’s in the solution because this is a proprietary and guarded process
Blue Kyanite 10mm Round - 15-16 Inch nye_8inch_best Agate has been discovered withKyanite 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