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