Yttrium Aluminium Garnet

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Physical & Optical Properties

Mohs Hardness 8,0 – 8,5
Specific Gravity 4,55
Refractive Index 1,833
Crystal System Isometric
Color red

Mohs Hardness

Mohs Hardness: 8,0 – 8,5
1 Soft10 Hard

Crystal System

Value & Market

Price Tier Fine ($500-5,000/ct)

Where to Buy Yttrium Aluminium Garnet

About Yttrium Aluminium Garnet

Yttrium Aluminium Garnet (YAG) is a synthetic garnet-structured oxide best known as the host material for Nd:YAG lasers used in surgery, manufacturing, and rangefinders, but also faceted as a diamond simulant in colorless form or in a wide range of colors produced by different dopants. Introduced in the 1960s before cubic zirconia became dominant, colorless YAG was widely used as a diamond substitute in jewelry. Today, various colored YAG gems continue to be produced for collectors and specialty optical applications.

Jewelry Use

Durability 9/10

Suitable for daily wear

Science FYI Family

Frequently Asked Questions

What is Yttrium Aluminium Garnet?
Yttrium Aluminium Garnet (YAG) is a synthetic garnet-structured oxide best known as the host material for Nd:YAG lasers used in surgery, manufacturing, and rangefinders, but also faceted as a diamond simulant in colorless form or in a wide range of colors produced by different dopants. Introduced in
What is the hardness of Yttrium Aluminium Garnet?
Yttrium Aluminium Garnet has a Mohs hardness of 8.0 to 8.5, making it excellent for use in jewelry.
What color is Yttrium Aluminium Garnet?
Yttrium Aluminium Garnet is primarily Red.
How much does Yttrium Aluminium Garnet cost?
Yttrium Aluminium Garnet falls into the Fine ($500-5,000/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Yttrium Aluminium Garnet?
Yttrium Aluminium Garnet belongs to the Isometric crystal system.

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