Topaz has been valued for centuries. Its name derives from the Sanskrit 'tapas,' meaning fire. It was believed to bring clarity and protect against harm.
Country of Origin
Brazil, Russia, Sri Lanka, Nigeria
Color(s)
Colorless, blue, yellow, pink, and green
Chemical Formula
Al₂SiO₄(F,OH)₂
Hardness
8
Luster
Vitreous (Glassy)
Crystal System
Orthorhombic
Refractive Index
1.61
Specific Gravity
3.49
Help Guide
Crystal System
Gemstones and minerals are classified into seven primary crystal systems based on their atomic structure.
Refractive Index
The refractive index (RI) of a material measure how much light is bent, or refracted, when entering the material from another medium.
Specific Gravity
The specific gravity (SG) of a substance is a measure of its density compared to water.
Chemical Formula
A chemical formula shows the types and quantities of atoms in a molecule.
