Man Made Object (Metal Alloy)

Rainbow Hematite (Man-made/Treated)

Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)

Glass / Silicon Dioxide (Man-made)

SiO2 (Amorphous Silicon Dioxide)

Goldstone

Not a natural mineral or rock. It is an ornamental glass.

Brick

Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)

Diamond (Cut Gemstone)

Natural Carbon (C)

Man-made Synthetic Material (Not a rock or mineral)

Polyester (Polyethylene terephthalate) / Faux Fur

Man-made Synthetic Material (Costume Faux Fur)

Synthetic Polymer (Polyester/Acrylic)

Blue Sapphire (Synthetic or Man-made Glass Imitation)

Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic

Terracotta (Man-made ceramic brick fragment)

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

Goldstone (blue-goldstone–style glass) beads

Artificial aventurine glass, typically silica glass with copper inclusions; not a natural mineral

Gold (Processed)

Gold (Au)

Terrazzo (with Marble and Granite fragments)

Cementitious or resinous composite containing Calcium Carbonate (CaCO3) and Silicates

Gold

Aurum (Elemental Gold, Au)

Chert (Jasper/Agate variety)

Silicon Dioxide (SiO2)

Chalcopyrite

Chalcopyrite (CuFeS2)

Blue calcite sphere

Calcite (CaCO₃), commonly blue-calcite variety

Cobalt Glass Slug (Man-made Glass)

Amorphous Silica with Cobalt Oxide (SiO2 + CoO)

Cullet Glass (Man-made Glass Slag)

Amorphous Silica (SiO2) with chemical additives

Fired Clay Brick (Anthropic Rock substitute)

Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)

Man-made Green Quartz (Lab-grown or Treated)

Silicon Dioxide (SiO2) with artificial coloration

Banded Calcite or Travertine

Calcium Carbonate (CaCO3)

Blue opalite (often sold as synthetic opal)

Opalite glass; amorphous hydrated silica if natural opal (SiO₂·nH₂O)

Polished blue-green glassy slag or coated mineral fragment

Most likely man-made colored glass/slag; exact composition cannot be determined visually

Blue goldstone beads

Man-made aventurine glass (silica glass with metallic copper inclusions), not natural lapis lazuli

Aquamarine

Beryl (Be3Al2Si6O18), specifically the blue-green variety

Weathered pegmatite or feldspar-rich granite fragment

Granitic pegmatite, composed mainly of potassium feldspar and quartz, with minor mica; exact identification is uncertain from the photograph

Dyed blue howlite (turquoise imitation), possibly dyed magnesite

Howlite: Ca₂B₅SiO₉(OH)₅; the vivid blue color is artificial dye. Exact identification is uncertain from the photograph alone.

Bismuth

Bismuth (Bi)

Granite

Granite (a common rock type, not a single mineral with a formula. Composed primarily of quartz, feldspar, and mica/amphibole).

Jade (likely Nephrite Jade based on appearance)

Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2)

Asphalt Pavement (with aggregate)

Asphalt concrete

Cardstock (Paper)

Cellulose (C6H10O5)n

Blue Slag Glass

Amorphous Silica (Byproduct of smelting)

Blue Goldstone

Aventurine Glass (SiO2 with Cobalt/Copper inclusions)

Synthetic Resin (Artificial Specimen)

Polyurethane or Polyester Resin

Slag (Anthropogenic Glass/Iron byproduct)

Ferro-silicate Slag

Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)

Silicon Dioxide (SiO2) with metallic inclusions

Nephrite Jade

Nephrite

Blue Goldstone

Aventurine glass (Synthetic borosilicate glass with cobalt and metallic inclusions)

Porcelain (Stoneware Ceramic)

Mullite / Silica-glass composite (Al6Si2O13)

Glass Nugget (Tumbled Glass)

Amorphous Silicon Dioxide (SiO2) with additives

Goldstone (Brown)

Aventurine glass