Mineral (Refined Metal)

Native Copper (in coinage alloy)

Copper (Cu)

Sandstone (Red)

Arenite (Fe2O3 heavy)

Metallic iron meteorite (probable)

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

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

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)

Native gold nuggets (likely gold-bearing specimen)

Native gold, Au; possibly associated quartz or sulfide matrix

Blue Celestite

Celestine (Strontium Sulfate, SrSO4)

Milky Quartz

Silicon Dioxide (SiO2)

Beryl (Emerald Variety)

Beryllium aluminum silicate (Be3Al2Si6O18)

Pyrite in Quartz

Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)

Aura Quartz (Titanium or Angel Aura coated)

Silicon Dioxide (SiO2) with metallic vapor coating

Red Sandstone (Iron-Rich)

Arenite (Fe2O3)

Angel Aura Quartz

Silicon dioxide treated with precious metals (SiO2)

Opalite

Man-made opalized glass

Titanium Coated Agate Geode

Silicon Dioxide (SiO2) with metallic vapor coating

Gold

Native Gold (Au)

Graphite

Graphite (Carbon, C)

Gold

Gold (Au)

Ferrosilicon Slag (Industrial Vitrified Glass)

Vitreous Silicate Residue

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

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

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

Quartzite

Quartzite (SiO2)

Aura Quartz (Rainbow Quartz)

Silicon Dioxide (SiO2) with metallic vapor coatings

Slag Glass (Cullet Glass)

Amorphous Silica (Industrial byproduct)

Anthracite coal

Anthracite; predominantly carbon (C), with minor macerals, ash, sulfur, and trace minerals

Gold

Native Gold (Au)

Vesicular basalt pebble

Basalt; chiefly plagioclase, pyroxene, and olivine

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

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

Amethyst

Silicon dioxide, SiO2

Aura Druzy Agate (Star Shape)

Silicon Dioxide (SiO2) with Titanium/Metal Vapor Coating

Bauxite

Bauxite (Mixture of Hydrous Aluminum Oxides)

Likely amber cabochon ring

Amber, fossilized tree resin (organic mineraloid; not a mineral)

Gneiss (High-grade Metamorphic Rock)

Gneiss (Metamorphic silicate rock)

Labradorite cabochon

Labradorite, a calcium-rich plagioclase feldspar; approximately (Ca,Na)(Al,Si)₄O₈

Quartzite (Milky Quartz pebble)

Silicon Dioxide (SiO2)

Diamond ring

Diamond (crystalline carbon, C)