Metal (Elemental Mineral)

Iron-rich meteorite candidate

Undetermined meteoritic iron–nickel material; possibly an ordinary chondrite or weathered iron meteorite

Iron-rich meteorite candidate

Unclassified stony-iron or iron meteorite; requires testing

Sunstone

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8

Likely iron-rich meteorite fragment

Undetermined stony-iron or iron meteorite; mineralogy may include Fe–Ni metal, troilite, and silicates

Gold Nugget

Native Gold (Au)

Gold Nugget

Native Gold (Au)

Likely tektite (impact glass), possibly Muong Nong-type indochinite

Natural impact glass; silica-rich glass, typically ~70–80% SiO₂

Bismuth

Bismuth (Bi)

Chondrite meteorite

Stony chondrite; commonly ordinary chondrite (H, L, or LL group), composed mainly of olivine and low-calcium pyroxene with Fe–Ni metal and troilite

Digital Multimeter (Synthetic Object)

Digital Multimeter (DMM)

Gold-bearing Quartz with Pyrite

Quartz (SiO2) with Gold (Au) and Pyrite (FeS2)

Graphite

Graphite (elemental carbon, C)

Gold Nugget

Native Gold (Au)

Sunstone

(Ca,Na)((Al,Si)2Si2)O8 (Plagioclase Feldspar)

Fluorite (Polished Point/Tower)

Calcium Fluoride (CaF2)

Sunstone

Oligoclase or Andesine (Plagioclase Feldspar) - (Ca, Na)((Al, Si)2Si2O8)

Fluorite

Calcium Fluoride (CaF2)

Blue Quartz (Blue Aventurine)

Silicon Dioxide with inclusions (SiO2)

Metal Chain Belt with Square Plates

Not applicable (man-made)

Gold in Quartz

Gold (Au) in Quartz (SiO2)

Fluorite

Calcium Fluoride (CaF2)

Gold

Native gold (Au)

Pink Feldspar

Orthoclase Feldspar (KAlSi3O8)

Quartz-rich iron-stained nodule

Microcrystalline quartz (SiO₂), possibly chalcedony with limonite/goethite staining

Auriferous Quartz (Gold-bearing Quartz)

Silicon Dioxide (SiO2) with Elemental Gold (Au)

Sunstone

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8

Copper-bearing rock, likely native copper in matrix

Native copper (Cu), possibly with cuprite/iron-rich matrix

Gold Ore

Auriferous Quartz and Sulfide Mineralization in Host Rock

Copper

Native Copper (Cu)

Dark garnet-bearing metamorphic rock (probable garnet schist/amphibolite)

Garnet schist or garnet amphibolite; chiefly quartz, mica/amphibole, feldspar, and almandine–pyrope garnet

Silver Nuggets (Natural or Cast)

Native Silver (Ag)

Native copper nugget

Copper (Cu), commonly with cuprite and copper-oxide alteration

Iron meteorite (likely Sikhote-Alin–type or similar)

Fe–Ni metallic meteorite, commonly kamacite with taenite; exact classification requires laboratory testing

Sunstone (Orthoclase Feldspar variant)

Orthoclase (KAlSi3O8) with inclusions

Native silver (probable)

Elemental silver, Ag, likely with oxidized sulfide or copper minerals

Rose Quartz

Silicon Dioxide (SiO2)

Ferruginous Sandstone (Gozzan)

Iron-rich clastic sedimentary rock with Limonite/Goethite

Copper Ore (Malachite and Azurite stained rock)

Copper-bearing rock with secondary copper carbonates

Dark metallic mineral specimen, possibly hematite or magnetite

Hematite (Fe₂O₃) or magnetite (Fe₃O₄); exact identification requires testing

Native copper nugget

Native copper (Cu)

Pallasite Meteorite

Pallasite (ST-class)

Likely small metallic meteorite fragments

Unclassified iron or stony-iron meteorite; mineralogy cannot be confirmed from the image