Moldavite
Tektite (Impact Glass), ~80% SiO2 + Al2O3
tektite
Category
Tektite (Impact Glass)
Browse tektite (impact glass) specimens identified by the Rock Identifier community.
Libyan Desert Glass
Impactite silica glass (SiO2)
tektite (impact glass)
Tektite (specifically Indochinite)
Tektite (Natural silica glass)
Mineraloid (Impact glass)
Moldavite
Moldavite (Siliceous vitreous substance)
tektite (natural glass)
Moldavite
Silica glass with small amounts of aluminum, iron, and other elements
Mineraloid / Tektite
Tektite
Tektite (Amorphous silica rich glass)
mineral
Tektite (Indochinite)
Tektite (High-silica impact glass)
mineraloid
Tektite (Indochinite)
Tektite (impactite), primarily high-silica glass (SiO2)
igneous
Tektite (Indochinite)
Tektite (High-silica natural glass, primarily SiO2 with Al2O3)
igneous
Tektite (likely Indochinite)
Tektite (high-silica impact glass)
igneous
Tektite (Indochinite)
Tektite (SiO2 + Al2O3, Glassy Melts)
igneous
Tektite (Indochinite)
Tektite - High-silica amorphous glass (SiO2 + Al2O3)
mineraloid
Tektite (Indochinite)
Tektite (High-silica natural glass)
mineraloid / impact glass
Tektite (Indochinite)
Tektite (Amorphous Silica Glass)
igneous
Tektite (Indochinite)
Tektite (Natural Glass, SiO2 + Al2O3)
mineral
Tektite (Indochinite)
Tektite (natural glass, SiO2 + Al2O3)
mineral
Tektite (Indochinite)
Tektite (Amorphous silica-rich impact glass)
igneous
Tektite (Indochinite)
Tektite (High-silica natural glass)
igneous
Libyan Desert Glass
Impactite (High-silica tektite)
mineral
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 (Silica-rich natural glass)
mineral
Tektite (Indochinite)
Tektite (Lechatelierite-rich silica glass)
Mineral-like (Natural Glass)
Tektite (Indochinite)
Tektite (High-silica natural glass)
igneous
Tektite (Indochinite)
Tektite (Amorphous Meteoritic Glass)
igneous
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
mineral
Tektite (Indochinite)
Tektite (Amorphous Silica Glass), SiO2(Al2O3)
igneous
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2 + tracing minerals
mineraloid / impactite
Libyan Desert Glass
Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)
mineral (Tektite/Impactite)
Libyan Desert Glass
Impactite (vitreous silica), SiO2
mineral
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Libyan Desert Glass
Libyan Desert Glass (SiO2 with trace elements)
mineral (impactite)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Chert / Quartz Pebble
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Sea Glass (often mistaken for Gemstones)
Amorphous Silica (SiO2) with trace additives
mineraloid
Quartzite River Cobble
Quartzite (primarily SiO2)
metamorphic
Chert Pebble (Flint)
Microcrystalline/Cryptocrystalline Quartz (SiO2)
sedimentary
Quartz River Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Libyan Desert Glass
Natural Silica Glass (SiO2 with minor iron and titanium)
mineraloid
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Smoky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Quartz Pebble (Sea Glass-like texture)
Silicon Dioxide (SiO2)
mineral
Pumice
Vesicular Rhyolite / Pumice
igneous