Anthropogenic (Man Made Product Subject To Geological Processes)

Asphalt Concrete

Bituminous Concrete / Asphaltic Composite

Blue Goldstone

Synthetic Avanturine Glass (or Aventurine Glass)

Sandstone Concretion

Clastic sedimentary rock (primarily Quartz SiO2)

Note: Item is not a geological specimen

Polyester mesh and Ethylene-vinyl acetate (EVA) polymer

Dyed Aura Quartz

Silicon Dioxide (SiO2) with metallic coating

Pink Cubic Zirconia (CZ)

Zirconium Dioxide (ZrO2)

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Man-made earbud charging case (Not a rock or mineral)

Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components

Rose Quartz Carving

Quartum roseum (Variety of Quartz, SiO2)

Man-made Blank Ammunition (Brass)

CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)

Clay Brick

Ceramic structural unit (Al2O3·2SiO2·2H2O as precursor)

Green Glass Cullet / Recycled Glass

Amorphous Silicon Dioxide (SiO2) with various metal oxides

Opalite

Synthetic Opalite Glass (Silicon Dioxide)

Cullet Glass (sometimes mistaken for Blue Obsidian or Slag)

Amorphous Silicon Dioxide (SiO2) with chemical additives (e.g., Cobalt for blue color)

Goldstone (with Tiger's Eye and Quartz)

Aventurine glass (Synthetic SiO2 with Cu inclusions)

Mica Group Minerals

There isn't a single scientific name as 'Mica' refers to a group of phyllosilicate minerals. Common scientific names include Muscovite (KAl₂ (AlSi₃O₁₀)(OH)₂), Biotite (K(Mg,Fe)₃AlSi₃O₁₀(OH)₂), Phlogopite (KMg₃AlSi₃O₁₀(OH)₂), and Lepidolite (K(Li,Al)₃(Al,Si,Rb)₄O₁₀(F,OH)₂).

Asphalt

Asphalt concrete (engineered material, not a naturally occurring rock/mineral in this form)

Goldstone (Red/Brown)

Aventurine Glass (SiO2 with Copper inclusions)

Asphalt (Bituminous Concrete)

Bituminous mix / Anthropogenic conglomerate

Iron Slag

Anthropogenic Vitreous Silicate (Byproduct of Smelting)

Quartzite

Quartzite (SiO2)

Clay (as a rock-forming material)

Clay minerals (e.g., Kaolinite group, Smectite group, Illite group, Chlorite group)

Blue Slag Glass

Amorphous Silica (Industrial byproduct)

Obsidian Arrowhead

Volcanic Glass (Primary composition: SiO2)

Diamond Plate (Steel)

Alloyed Carbon Steel or Aluminum with 'Durbar' pattern

Dyed Quartz Geode

Silicon Dioxide (SiO2) with artificial pigment

Ferrosilicon Slag (Industrial Vitrified Glass)

Vitreous Silicate Residue

Titanium Coated Aura Quartz (Apple Aura Quartz)

Silicon Dioxide (SiO2) with Metallic Vapor Deposition Coating

Cubic Zirconia (Man-made)

Cubic Zirconia (ZrO2) with Enamel and Metal Alloy

Pyrite with Limonite/Goethite Alteration (Pseudomorph)

Iron Sulfide (FeS2) transitioning to Hydrated Iron Oxides (FeO(OH)·nH2O)

Terracotta (Man-made ceramic brick fragment)

Baked clay / High-iron ceramic (Silicate-based ceramic)

Popcorn

Zea mays everta (P. Wilson) (Botanical name for the corn variety)

Gold

Native Gold (Au)

Engineered Quartz Stone

Agglomerated Quartz (SiO2 + Polymer Resin)

Carved Mottled Greenish-Yellow Crystal/Glass Object

Unknown; possibly a form of quartz (chalcedony/jadeite/nephrite) or glass/resin.

Slag (Industrial Byproduct)

Ferro-silicate glass (Slag)

Limonite (Iron Ore)

Hydrous Iron Oxide (goethite, lepidocrocite)

Green Glass Slag

Amorphous Silicon Dioxide (SiO2) with metal oxide impurities

Sea Glass (Kelly Green)

Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)

Iron Slag

Ferrous slag (primarily silicates and oxides of calcium, iron, and magnesium)

Note: Item is not a geological specimen

Guitar Components (Steel, Nickel, Plastic, Wood)

Limonite

Hydrous Iron Oxide (often Goethite FeO(OH), Lepidocrocite γ-FeO(OH), and other amorphous iron oxyhydroxides)