Desert Glass (Lechatelierite / Libyanite / LDG)
Lechatelierita, Lechatelierite, Libyanit, Libyanita, ﾙｼｬﾄﾘｴ石
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: SiO2
Mineral class: oxides Crystal system: amorphous (tektite) Mohs scale: 6 - 7 Density (g/cm3): 2.50 - 2.65 Refractive index: 1.5 - 1.55 Cleavage: - Colors: colorless, white, grey, yellowish, yellow-green Luster: vitreous Fluorescence: - Pleochroism: - Largest lechatelierite: ? Deposits: Egyptian desert northeast of the N’Giffel Khabir Plateau (Egypt), on appr. 6,500 km2. Discovery: 1932 (Clayton) 1st Description: 1932? Name: Lechatelierite: to honor the French chemist Henry Louis Le Chatelier (1850 - 1936); Libyanite: from its type locality in the Libyan Desert |
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Egyptian Desert northeast of the N’Giffel Khabir Plateau |
Größere Kartenansicht |
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Lechatelierite rough
Weight: 43.20 g Size: 6.7 x 4.1 cm Origin: Libyan Desert / Egypt Photo by kind permission of © www.topgeo.de |
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Lechatelierite
Size: 2.9 x 1.7 x 0.95 cm Weight: 22.68 ct Origin: Libyan Desert / Egypt Photo by kind permission of © www.kox-gems.com |
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Lechatelierite
Size: 2.93 x 2.65 x 2.12 cm Weight: 83.94 ct Origin: Libyan Desert / Egypt Photo by kind permission of © www.cvs.fi |
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Lechatelierite
Weight: 11.54 ct Origin: Libyan Desert / Egypt Photo by kind permission of © www.topgeo.de |
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Lechatelierite Stone Age Blade
Origin: Libyan Desert / Egypt Photo by kind permission of © www.topgeo.de |
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