Iron Meteorite
Iron-Nickel Meteorite (primarily composed of kamacite and taenite alloys)
Mineral
Category
Man Made Material (Metal)
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Likely weathered iron-rich meteorite
Unclassified stony-iron or iron meteorite candidate; confirmation requires laboratory testing
meteorite
Amber Inlay Jewelry
Fossilized Resin (C10H16O)
Organic Gemstone (Biogenic)
Gold Flakes
Native Gold (Au)
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Serpentinite
Serpentinite (complex silicate mineral group (Mg,Fe)3Si2O5(OH)4)
metamorphic
Gold Flake
Native Gold (Au)
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Copper Nugget
Native Copper (Cu)
mineral
Pyrite-rich Ore
Pyrite (FeS2) with secondary minerals
mineral
Serpentinite
Serpentinite (complex silicate of magnesium, (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
metamorphic
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
mineral
Lepidolite
K(Li,Al)3(Al,Si,4)10(O,F,OH)2
mineral
Celestine (Celestite)
Celestine (Strontium Sulfate, SrSO4)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Diatomite
Diatomaceous Earth (mostly SiO2·nH2O)
sedimentary
Pumice
Pumicite (Amorphous volcanic glass)
Igneous
Sandstone (Quartzose)
Arenite (predominantly SiO2)
sedimentary
Mica-rich metamorphic rock, likely schist
Muscovite–biotite schist; principally muscovite mica, biotite, quartz, and feldspar
metamorphic
Metallic iron meteorite (probable)
Iron meteorite, typically kamacite–taenite (Fe–Ni alloy)
meteorite
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Pyrite in Quartz
FeS2 (Iron Pyrite) with SiO2 (Quartz)
Mineral/Igneous/Hydrothermal
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 inclusions)
sedimentary
Chalcedony (or a variety of Chalcedony, likely Agate or Jasper)
Chalcedony (SiO₂)
Mineral (or mineraloid if microcrystalline)
Black Jasper
Silicon dioxide (SiO2) with carbonaceous impurities
sedimentary
Sulfide Ore (likely Galena and Sphalerite in Quartz)
Lead-Zinc Ore (PbS and ZnS)
mineral
Aura Quartz Geode (Angel Aura Quartz)
Silicon Dioxide (SiO2) bonded with precious metals
mineral
Quartzite Cobble
Meta-quartzite (SiO2)
metamorphic
Granite Cobble/Pebble
Granite
Igneous
Granite
Intrusive igneous rock composed mainly of quartz, alkali feldspar, and plagioclase
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive igneous rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite Cobble
Phaneritic Felsic Igneous Rock
igneous
Granite
Granite (Felsic intrusive igneous rock)
igneous
Bismuth Crystal
Bismuth (element symbol Bi, atomic number 83)
mineral
Black Onyx
Chalcedony (SiO2)
gemstone
Diamond (Pear Cut)
Carbon (C)
gemstone
Chondrite Meteorite (Possibility)
Stony Meteorite (Chondrite)
igneous
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral