Metal (Elemental Mineral)

Gold (Processed)

Gold (Au)

Native Silver

Silver (elemental Ag)

Gold (Elemental Metal)

Gold (Au)

Gold

Native Gold (Au)

Gold

Native Gold (Au)

Gold Nugget

Native Gold (Au)

Silicon (Industrial Grade)

Elemental Silicon (Si)

Likely iron meteorite fragment

Unclassified Fe–Ni meteorite; possible stony-iron fragment

Small metallic meteorite-like specimen

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

Iron-rich meteorite candidate (weathered iron meteorite)

Likely Fe–Ni metal, commonly kamacite and taenite; definitive identification requires laboratory testing

Likely iron meteorite

Iron–nickel meteorite, commonly octahedrite (kamacite–taenite)

Likely iron-rich meteorite or hematite-rich rock

Uncertain; possible iron meteorite (Fe–Ni alloy) or limonite/goethite-bearing hematite

Metal-rich meteorite candidate

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

Polished native copper

Native copper (Cu), likely with cuprite/tenorite oxidation products

Polished iron meteorite fragment

Iron meteorite, chiefly kamacite and taenite (Fe–Ni alloys), possibly weathered or etched

Iron-rich meteorite candidate

Undetermined; possible stony-iron or iron meteorite, commonly kamacite–taenite (Fe–Ni)

Possible iron meteorite

Iron meteorite, likely an ataxite or coarse octahedrite; composition mainly Fe–Ni alloy

Gold

Aurum (Elemental Gold, Au)

Iron-rich meteorite (probable stony-iron or weathered iron meteorite)

Unclassified meteorite; likely Fe–Ni metal with silicate minerals

Silicon

Element Si

Iron-rich meteorite candidate

Undetermined stony-iron or iron meteorite; possible weathered iron meteorite

Dark mafic rock, possibly basalt or meteorite-like specimen

Likely basalt (plagioclase–pyroxene assemblage); meteorite identification cannot be confirmed visually

Possible basaltic volcanic rock or iron-rich meteorite

Likely basalt (plagioclase–pyroxene rock); meteorite status cannot be confirmed visually

Iron-rich meteorite candidate

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

Possible basaltic rock or meteorite candidate

Likely vesicular basalt; meteorite identification cannot be confirmed visually

Iron-rich meteorite candidate (possibly stony-iron meteorite)

Unclassified meteoritic material; apparent Fe-Ni metal with silicate matrix

Diamond

C (Native Carbon)

Iron-rich meteorite candidate

Unclassified stony-iron or iron meteorite; identification requires laboratory testing

Likely weathered iron-rich meteorite

Unclassified stony-iron or iron meteorite candidate; confirmation requires laboratory testing

Iron-rich meteorite candidate

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

Chondritic meteorite

Ordinary chondrite; commonly L, LL, or H group, composed mainly of olivine and low-calcium pyroxene

Possible iron meteorite fragment

Iron meteorite, likely kamacite–taenite alloy

Nickel–iron meteorite (likely weathered iron meteorite)

Fe–Ni alloy, chiefly kamacite and taenite

Iron meteorite candidate

Probable iron-rich meteorite; possible stony-iron or weathered nickel–iron alloy

Iron-rich meteorite candidate

Undetermined; possible stony-iron or iron-oxide-rich meteorite

Iron-rich meteorite candidate

Unclassified meteoritic iron–stone material; possible stony-iron meteorite or terrestrial ironstone

Possible iron-rich meteorite

Provisional: stony-iron or iron meteorite; mineralogy may include kamacite (α-Fe,Ni) and taenite (γ-Fe,Ni)

Iron-rich meteorite candidate

Unclassified stony-iron or iron meteorite fragment

Diamond

Carbon (C)

Possible iron meteorite

Iron meteorite, likely kamacite–taenite alloy

Likely metallic meteorite fragment

Unclassified iron-rich meteorite; possible stony-iron or iron meteorite

Iron-rich meteorite candidate

Undetermined Fe–Ni meteorite, possibly an ordinary chondrite or iron meteorite