Meteorite (Extraterrestrial Material)

Peridot (Gem-quality Olivine)

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

Peridot

Olivine ((Mg, Fe)2SiO4)

Peridot

Olivine ((Mg,Fe)2SiO4)

Peridot

Olivine (Mg, Fe)2SiO4

Peridotite (Dunite)

Peridotite (mostly Olivine: (Mg,Fe)2SiO4)

Black Diamond (Carbonado)

Carbonado (Polycrystalline Diamond)

Possible iron-rich meteorite or metallic sulfide-bearing rock

Unconfirmed; candidates include stony-iron meteorite, iron meteorite, or pyrite-bearing terrestrial rock

Chondrite Meteorite

Ordinary Chondrite (OC)

Peridot

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

Peridot

Olivine ((Mg, Fe)2SiO4)

Possible meteorite fragment

Undetermined; likely an iron-rich meteorite or meteorite-like slag fragment

Diamond

Diamond (Pure Carbon, C)

Peridot

Olivine ((Mg,Fe)2SiO4)

Likely iron meteorite fragment

Iron meteorite, principally kamacite (α-Fe-Ni) with taenite (γ-Fe-Ni)

Metallic iron meteorite (probable)

Iron meteorite, typically kamacite–taenite (Fe–Ni alloy)

Iron-rich meteorite candidate

Unclassified stony-iron or iron meteorite candidate; possibly limonite/hematite-bearing terrestrial rock

Small metallic meteorite-like specimen

Unclassified iron-rich meteorite candidate; possibly an ordinary chondrite or terrestrial slag

Peridot

Olivine ((Mg,Fe)2SiO4)

Peridot (Olivine)

(Mg, Fe)2SiO4

Olivine (likely Peridot variety)

Olivine Mineral Group (specifically Forsterite-Fayalite solid solution series); Chemical formula: (Mg,Fe)2SiO4

Peridot

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

Metal-rich meteorite candidate

Unclassified stony-iron or iron meteorite candidate; probable fusion-crusted fragment

Moldavite

Tektite (Amorphous Silica, SiO2 + Al2O3)

Tektite (Indochinite)

Tektite (Amorphous silica glass, SiO2 with impurities)

Peridot (Olivine)

Magnesium Iron Silicate (Mg,Fe)2SiO4

Pallasite Meteorite

Pallasite (Stony-iron meteorite; Fe-Ni alloy with (Mg,Fe)2SiO4 olivine)

Micrometeorite (Spherule)

Extraterrestrial Accretion Spherule

Iron-Nickel Meteorite (Possible Chondrite or Oxidized Iron)

Siderite (Nickel-Iron) or Chondrite (Si/Fe composite)

Peridot

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

Meteorite

Chondrite / Iron-Nickel Meteorite fragment

Pallasite Meteorite

Pallasite (Iron-Nickel Matrix with Olivine/Peridot inclusions)

Moldavite

Tektite

Peridot

Olivine (specific variety: gem-quality forsterite), (Mg,Fe)2SiO4

Iron-rich stony meteorite candidate

Unclassified chondritic meteorite candidate; possible ordinary chondrite or weathered iron-rich terrestrial rock

Unidentified dark metallic fragment

Possibly iron-rich mineral or metallic meteorite fragment; image is insufficient for a reliable identification

Iron Meteorite

Iron-nickel alloy (primarily kamacite and taenite)

Peridot (likely, given the color and bead form)

Olivine, variety Peridot (Mg,Fe)2SiO4

Native copper-rich iron meteorite (likely Canyon Diablo/meteorite-like specimen)

Iron–nickel alloy, chiefly kamacite and taenite (Fe-Ni), with oxidized copper/iron sulfide inclusions

Peridot

Olivine (Mg,Fe)2SiO4

Peridot

Olivine (specifically, the gem-quality variety forsterite, (Mg,Fe)2SiO4)

Likely iron meteorite fragment

Iron–nickel meteorite, probably kamacite with taenite; identification is uncertain from the photo alone

Small dark metallic-looking rock fragment

Undetermined; possibly iron oxide-rich material or a metallic mineral