Libyan Desert Glass

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Physical & Optical Properties

Mohs Hardness 0.0
Specific Gravity 2.2 – 2.22
Refractive Index 1.46 – 1.465
Color various

Mohs Hardness

Mohs Hardness: 0.0
1 Soft10 Hard

Value & Market

Price Tier Budget (< $50/ct)

About Libyan Desert Glass

Libyan desert glass is a natural silica glass (SiO₂, ~98% pure) formed approximately 28–29 million years ago in the eastern Sahara Desert by the impact or atmospheric explosion of a large meteorite over what is now the Libya-Egypt border region. The pale yellow-green glass was carved by ancient Egyptians—a piece forms the central scarab in Tutankhamun's pectoral jewel—demonstrating its use as a gem material as early as 3,300 years ago. Modern collectors prize Libyan desert glass for its extraterrestrial origin, historical significance, and attractive pale lime-green color.

Jewelry Use

Durability 1/10

Science FYI Family

Frequently Asked Questions

What is Libyan Desert Glass?
Libyan desert glass is a natural silica glass (SiO₂, ~98% pure) formed approximately 28–29 million years ago in the eastern Sahara Desert by the impact or atmospheric explosion of a large meteorite over what is now the Libya-Egypt border region. The pale yellow-green glass was carved by ancient Egyp
What is the hardness of Libyan Desert Glass?
Libyan Desert Glass has a Mohs hardness of 0.0, making it relatively soft for use in jewelry.
What color is Libyan Desert Glass?
Libyan Desert Glass is primarily Various.
How much does Libyan Desert Glass cost?
Libyan Desert Glass falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.

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