Tektite (Indochinite)
Tektite (Amorphous silica-rich impact glass)
igneous
Category
Tektite (Impact Glass)
Browse tektite (impact glass) specimens identified by the Rock Identifier community.
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Moldavite
Tektite (Natural Silicate Glass)
gemstone
Tektite (Indochinite)
Tektite (High-silica impact glass)
igneous
Tektite (Indochinite)
Tektite (Lechatelierite-rich silica glass)
Mineral-like (Natural Glass)
Tektite (Indochinite)
Tektite (SiO2 + Al2O3, Glassy Melts)
igneous
Tektite (Indochinite)
Tektite (High-silica natural glass)
meteorite
Tektite (Indochinite)
Tektite - High-silica amorphous glass (SiO2 + Al2O3)
mineraloid
Tektite (Indochinite)
Tektite (High-silica natural glass)
mineraloid / impact glass
Tektite (likely Australite)
Tektite (no specific chemical formula as it's a natural glass of variable composition, mostly SiO2, Al2O3, FeO, MgO, CaO, K2O, Na2O, TiO2)
Mineral (specifically a mineraloid)
Tektite (Indochinite)
Tektite (Amorphous Silica Glass)
igneous
Tektite (Indochinite)
Tektite (High-silica natural glass)
igneous
Tektite (Indochinite)
Tektite (High-silica impactite glass)
meteorite
Tektite (Indochinite)
Tektite (Amorphous Meteoritic Glass)
igneous
Tektite (Indochinite)
Tektite (Silica-rich natural glass)
mineral
Tektite (Indochinite)
Tektite (High-silica natural glass)
mineraloid
Libyan Desert Glass
Impactite (High-silica tektite)
mineral
Moldavite
Tektite (Natural Silica Glass)
meteorite
Moldavite
Moldavite (Silica-rich glass, SiO2 + Al2O3)
tektite
Tektite (Indochinite)
Tektite (Amorphous Silica Glass), SiO2(Al2O3)
igneous
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
mineral
Tektite (Indochinite)
Tektite (SiO2 + Al2O3)
mineraloid
Tektite (Indochinite)
Tektite (High-silica natural glass)
mineralogical glass/meteorite impactite
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2 + tracing minerals
mineraloid / impactite
Moldavite
Tektite (Silicates with aluminum, iron, manganese, and potassium oxide glass)
meteorite
Moldavite
Tektite (Silica Glass - SiO2 + Al2O3, FeO, MgO, CaO, Na2O, K2O)
gemstone
Moldavite
SiO2 (+ Al2O3, FeO, K2O) - Natural Tektite Glass
gemstone
Libyan Desert Glass
Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)
mineral (Tektite/Impactite)
Libyan Desert Glass
Libyan Desert Glass (Impactite / High-silica Lechatelierite)
mineral
Libyan Desert Glass
Libyan Desert Glass (Impactite)
meteorite
Libyan Desert Glass
Impactite (vitreous silica), SiO2
mineral
Chert (River Pebble)
Microcrystalline Silica (SiO2)
sedimentary
Libyan Desert Glass
Libyan Desert Glass (SiO2 with trace elements)
mineral (impactite)
Sea Glass (often mistaken for Gemstones)
Amorphous Silica (SiO2) with trace additives
mineraloid
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Chert / Quartz Pebble
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Likely obsidian (possibly tektite or slag glass)
Volcanic glass; primarily SiO₂, noncrystalline
igneous
Chert (Flint)
Chert (SiO2)
sedimentary
Quartzite River Rock
Quartzite (primarily SiO2)
metamorphic
Chert Pebble (Flint)
Microcrystalline/Cryptocrystalline Quartz (SiO2)
sedimentary
Quartz River Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Quartzite River Cobble
Quartzite (primarily SiO2)
metamorphic