Meteorite (Extraterrestrial Material)

Tektite (Indochinite)

Tektite (High-silica impact glass)

Iron meteorite fragment

Fe-Ni meteorite, likely an iron meteorite or stony-iron fragment

Likely iron-rich rock or metallic mineral fragment

Uncertain; possibly limonite/goethite-rich material or weathered iron meteorite fragment

Iron-rich meteorite candidate

Unclassified iron meteorite or stony-iron meteorite; confirmation requires chemical and nickel testing

Tektite (Indochinite)

Tektite (High-silica natural glass)

Iron Meteorite

Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)

Peridot

Olivine (Mg,Fe)2SiO4

Magnetite-rich iron ore

Magnetite (Fe₃O₄), possibly with hematite and silicate matrix

Iron Meteorite (likely an Individual specimen)

Iron Meteorite (Group IAB, IIAB, IIIAB, etc., Fe-Ni alloy)

Tektite

Impactite (Natural Silicate Glass)

Chondrite Meteorite

Ordinary Chondrite (Fe-Ni alloy, Olivine, Pyroxene)

Unidentified weathered mineral/rock fragment

Indeterminate; likely a weathered iron-rich silicate or sulfide-bearing specimen

Chondrite Meteorite

Stony Meteorite (Chondrite)

Iron meteorite (probable)

Fe–Ni metallic meteorite, possibly an ordinary chondrite or iron-rich meteorite

Rough Black Diamond (Bort / Carbonado)

Diamond (C)

Iron-Nickel Meteorite

Siderite (Iron Meteorite)

Chondrite Meteorite

Ordinary Chondrite (S-type Asteroid fragment)

Slag

Ferrous slag (by-product of iron smelting)

Chondrite Meteorite

Ordinary Chondrite (L, LL, or H type)

Chondrite

Ordinary Chondrite (L or H group)

Iron Meteorite

Iron Meteorite (Group IAB or IIIAB common)

Chondrite Meteorite

Stony Meteorite (L, H, or LL Chondrite)

Iron-rich meteorite candidate

Probable stony-iron or iron meteorite; exact classification requires testing

Chondrite Meteorite

Ordinary Chondrite (Undifferentiated Meteorite)

Possible iron-rich meteorite

Uncertain; likely an ordinary chondrite (stony meteorite), pending testing

Tektite (Indochinite)

Tektite (Amorphous Silica Glass)

Tektite (Indochinite)

Natural glass (High-silica impact glass)

Tektite (Indochinite)

Tektite (High-silica natural glass)

Libyan Desert Glass

Impactite (vitreous silica), SiO2

Tektite (Indochinite)

Tektite (Natural silica glass)

Vesicular basalt (likely weathered lava rock)

Basalt, predominantly calcium-rich plagioclase, pyroxene, and commonly olivine; vesicular texture from gas bubbles

Weathered iron-rich rock, possibly meteorite

Uncertain; likely goethite/hematite-rich material, with meteorite possibility

Peridot

Olivine (Mg,Fe)2SiO4

Peridot (Olivine)

Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)

Likely weathered basalt or iron-rich volcanic rock

Basalt; primarily plagioclase feldspar, pyroxene, and possibly olivine with iron-oxide alteration

Dark mafic rock, likely basalt

Basalt; chiefly plagioclase feldspar, pyroxene, and commonly olivine or iron-titanium oxides

Stony Meteorite (Chondrite)

Ordinary Chondrite (L or H type)

Metallic iron meteorite fragments (probable)

Iron meteorite, chiefly kamacite (α-(Fe,Ni)) with possible taenite

Tektite (Indochinite)

Tektite (High-silica natural glass)

Likely weathered basalt or dark volcanic rock

Basalt; primarily plagioclase feldspar and pyroxene, with possible olivine and iron oxides

Ferrous Slag

Iron/Steel Slag (Complex Calcium-Alumino-Silicates)

Iron meteorite fragment (likely weathered meteorite)

Fe–Ni metal, commonly kamacite with taenite; possible stony-iron or iron-oxide fusion crust