This month's birthstone

View Cart    Checkout

Learn about Gemstones Topaz Color: blue, yellow, pink, red, brown, green, colorless Hardness: 8 Refractive Index: 1.60 – 1.64 Density: 3.50 – 3.58 Chemical Composition: Al2[SiO4](F,OH)2 Crystal Structure: orthorhombic Origins: Sri Lanka, Brazil, Madagascar, Russia, USA, Mexico, Pakistan. Back

©2003-2010 Ceylon Gems.  All rights reserved.
Our Terms & Conditions.