History and Origin

Topaz, known since ancient times, was treasured by the Greeks for its supposed powers of protection and healing. Its vibrant hues and durability make it a timeless gem.

Brazil, Russia, Sri Lanka, Nigeria

Mostly comes from

Currently priced at

$20 - $500 per carat

a Carat

Chemical Formula

Al₂SiO₄(F,OH)₂

Hardness

on Mohs scale

Luster

Vitreous (Glassy)

Crystal System

Orthorhombic

Refractive Index

1.61

Specific Gravity

3.49

Color(s)

Colorless, blue, yellow, pink, and green

Chemical Formula

Al₂SiO₄(F,OH)₂

Hardness

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.

Topaz

History and Origin

Color(s)

Help Guide

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