STUNNING OCTAGON FACETED GENUINE (NATURAL) WHITE TOPAZ LOOSE STONE Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al2SiO4(F,OH)2. It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow orange. Topaz is often treated with heat or radiation to make it a deep blue, reddish-orange, pale green, pink, or purple. Topaz is a nesosilicate mineral. It is one of the hardest naturally occurring minerals and has a relatively low index of refraction. It occurs in many places in the world. The iridescently radiant White Topaz is known as the stone of awareness. This White Topaz meaning empowers you to support clear thoughts, aid in orderly approaches, and bring out your individuality. This gorgeous stone would make a wonderful fine jewelry piece! Beautiful Octagon Faceted White Topaz Lovely White Color Top Quality Gem with Astonishing Luster and Eye Clean Clarity Exquisite Gem for Fine Jewelry Take this opportunity to secure 1 or more of these marvelous gems at a well below wholesale price! This is the perfect gift for yourself or someone special. Hardness : 8 on Moh's Scale Specific Gravity : 3.49 - 3.57 Refractive Index : 1.606 - 1.629 Treatment : Heated Chemical Formula : Al2SiO4(F,OH)2 Birthstone Month : April Approx carat weight for each stone - 5x3mm - 0.38 ct 6x4mm - 0.7 ct 7x5mm - 1.25 ct 8x6mm - 2 ct 9x7mm - 2.95 ct 10x8mm - 4.1 ct 11x9mm - 5.57 ct 12x10mm - 7.45 ct 14x10mm - 9.62 ct 14x12mm - 11.7 ct 16x12mm - 14.8 ct 18x13mm - 20.55 ct 20x15mm - 28.4 ct If you require a size that is not listed, please feel free to contact us. We also provide wholesale quantity.