Semi-Precious Gemstones

Citrine

Current Market Range

$20 - $100

Treasured since ancient Rome; associated with prosperity.

Brazil, Madagascar, Russia, France

Yellow to orange

Chemical Formula

KAlSi₃O₈ (Potassium Aluminum Silicate)

Hardness

Luster

Vitreous (Glassy)

Crystal System

Trigonal (Rhombohedral)

Refractive Index

1.54

Specific Gravity

2.65

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.