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YOUR GUIDE TO RARE BEAUTY

Discover the Beauty of

Opal

Diamonds

Explore the history, properties, and value of one of the world's most remarkable gemstones.

Book

History

Opal, revered by ancient Romans as a symbol of love and hope, captivates with its iridescent play of colors. Discovered in Australia, it remains one of the most enchanting and unique gemstones.

Globe

Origin

Australia, Ethiopia, Mexico, USA

Molecule

Chemical Formula

SiO₂·nH₂O
Sparkles

Luster

Waxy
Prism

Refractive Index

1.37
Scales

Specific Gravity

1.98
Hexagon

Crystal System

Diamond

Hardness

5.5

Currently priced at

$10 - $10,000+ per carat

a Carat

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.

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Gemstones