NANO STONES – is a ceramic material with very tiny-size Spinel phases . It has special physical and optical properties: Color – homogeneous and even, Hardness = 7 – 7.5, Refractive Index = 1.61 – 1.64, Density = 3.0 – 3.3 g/cm³, Melting Temperature 1600-1750°C, Luster and Color are maximally close to many natural gemstones. High thermal shock resistance makes Nanogem fully compatible with wax casting jewelry .
Nanogem is the best substitite of the color natural gemstones! It completely simulate the brightness, colors, hardness and density of many gemstones:Green Emerald, blue Sapphire, blue Topaz, Aquamarine, Citrine, Peridot, Garnet, Kunzite, Morganite, Smoky Quartz, Turquoise and many others natural gem stones.