Mineral, Metal (Element)

Metallic iron meteorite (probable)

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

Opalite

Synthetic Glass (Hydrated Silica Simulant)

Aura Quartz Geodes (Lab-Altered)

Silicon Dioxide (SiO2) with Metallic Vapor Deposition

Sandstone (Red)

Arenite (Fe2O3 heavy)

Gold Nugget

Gold (Au)

Aura Quartz (specifically Titanium Aura Quartz)

Titanium-coated Silicon Dioxide (SiO2 + Ti Coating)

Gossan

Ferruginous gossan (Iron-rich capping)

Granite Pebble

Intrusive Igneous Rock (Quartz, Feldspar, Mica)

Ironstone / Gossan with Quartz Inclusions

Limonite / Goethite rich Sandstone / Gossan

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Lepidolite

K(Li,Al)3(Al,Si,3O10)(F,OH)2

Rough Emerald Crystals

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Polished jasper pendant

Jasper, an opaque microcrystalline variety of quartz (SiO₂); exact variety cannot be confirmed from the image

Native gold nuggets (likely gold-bearing specimen)

Native gold, Au; possibly associated quartz or sulfide matrix

Milky Quartz

Silicon Dioxide (SiO2)

Beryl (Emerald Variety)

Beryllium aluminum silicate (Be3Al2Si6O18)

Red bead-and-chain costume jewelry, likely glass or plastic

No geological identification; the red beads appear manufactured and cannot be identified as mineral from the image

Ferrosilicon Slag (Industrial Vitrified Glass)

Vitreous Silicate Residue

Pyrite in Quartz

Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)

Native copper (probable copper-rich mineral specimen)

Copper, Cu; possibly mixed with cuprite, malachite, and iron-oxide alteration minerals

Blue calcite (likely)

Calcite, calcium carbonate (CaCO₃)

Quartzite

Quartzite (SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Barite

Barium Sulfate (BaSO4)

Native Copper (in coinage alloy)

Copper (Cu)

Quartz Vein in Siltstone

Silicon Dioxide (SiO2) within Sedimentary/Metamorphic Matrix

Gold

Native Gold (Au)

Eudialyte

Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)

Titanium-coated Metal Cube (Man-made Fidget Toy)

Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)

Green aventurine bead bracelet

Quartz (SiO₂), typically green quartzite/aventurine colored by fuchsite mica or other inclusions

Polished brecciated jasper

Microcrystalline quartz (SiO₂) with iron-oxide-rich matrix and possible chalcedony

Polished labradorite pendant

Labradorite, a calcium-rich plagioclase feldspar (approximately NaAlSi₃O₈–CaAl₂Si₂O₈)

Native Copper in Matrix

Native Copper (Cu)

Likely hematite-rich ironstone or metallic mineral fragment

Hematite (Fe₂O₃), possibly with magnetite (Fe₃O₄) or metallic iron

Quartzite (Milky Quartz pebble)

Silicon Dioxide (SiO2)

Gneiss (High-grade Metamorphic Rock)

Gneiss (Metamorphic silicate rock)

Bauxite

Bauxite (Mixture of Hydrous Aluminum Oxides)

Red Sandstone (Iron-Rich)

Arenite (Fe2O3)

Faceted blue gemstone ring, likely synthetic spinel or glass; identity uncertain

Possibly synthetic blue spinel (MgAl₂O₄) or laboratory sapphire (Al₂O₃); the clear side stones may be cubic zirconia or glass

Gold

Gold (Au)

Aura Quartz (Rainbow Quartz)

Silicon Dioxide (SiO2) with metallic vapor coatings

Opalite

Man-made opalized glass