Libyan Desert Glass
A variety of Metamorphic
Uncommon

What is Libyan Desert Glass?
Libyan Desert Glass is a rare rock that can only be found in the Western Desert of Egypt, which is where it gets its name. This rock is primarily made from pure molten silica glass called lechatelierite. While the origins of libyan Desert Glass are unknown, it is strongly suggested that this rock was regarded by ancient Egyptians as a gemstone.
Optical Properties
- Refractive Index
- 1.46-1.465
Libyan Desert Glass Market Value Calculator
Estimate the market value of Libyan Desert Glass using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Libyan Desert Glass Localities Map
See where Libyan Desert Glass is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Health & Safety Information
- ⚠️Physical Toxicity: Quartz, silica, crystalline silica and flint are non-toxic materials, but very fine dust containing quartz, known as respirable crystalline silicon (RCS), can cause serious and fatal lung disease. Lapidaries should exercise caution when cutting silica.
More Images

© Jon Bodsworth
Quick Facts
Physical Properties
- Color
- Yellow, green, brown
- Hardness (Mohs)
- 6.5
- Density
- 2.2 - 2.65 g/cm³
- Streak
- Dark brown
- Luster
- Vitreous
Chemical Properties
- Chemical Formula
- SiO2
Also Known As
Libyan Desert GlassLibyan Gold Tektite
FREE APP
4.7

Identify Libyan Desert Glass Instantly
- Snap a photo, get instant results
- 6,700+ rocks, minerals & crystals
- Discover collecting spots near you




