The name CORUNDUM is derived from Tamil word KURUNTUM meaning ruby, Corundum is crystalline form of aluminum oxide, Synthetic Corundum is best substitute of Natural Ruby and Blue Sapphires, Synthetic Corundum hardness is 8.5-9.0 on mohs scale, with high melting point of 2050 c, it is fully suitable for wax casting process
Glass Stones are Non-crystalline solid material that are often transparent and has practical, technological and decorative usage. It is lighter in weight, flawless and cheaper in cast as compared to any other synthetic stones. Glass is both reflective and refractive of light and can be enhanced by the cutting and polishing in different Shapes and Cuts.
Nano Gemstones is a ceramic material with very tiny-size spinal phases. It has a 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 1600-1750C, 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 substitute of the color natural gemstones! It completely simulates the brightness, color, hardness and density of many gemstones. Green Emerald, Blue Sapphire, Blue Topaz, Aquamarine, Citrine, Peridot, Garnet, Kunzite, Morganite, Smoky Quartz, Turquoise and Many Other Natural Gemstones.