Mineral (Man Modified)

Carved Mottled Greenish-Yellow Crystal/Glass Object

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

Blue Sapphire (Synthetic or Man-made Glass Imitation)

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

Man-made Jewelry Charm (Enameled Metal)

Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.

Man-made Ceramic / Clay Figurine

Aluminosilicate Ceramic (Processed Clay)

Cobalt Glass Slug (Man-made Glass)

Amorphous Silica with Cobalt Oxide (SiO2 + CoO)

Man-made Glass (Tumbled/Shaped)

Amorphous Silicon Dioxide (SiO2) with metal oxide colorants

Green Aventurine

Quartz (SiO2) with Fuchsite inclusions

Goldstone (Brown)

Aventurine glass

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

Silicon Dioxide (SiO2) with artificial coloration

Asphalt Pavement (with aggregate)

Asphalt concrete

Blue goldstone beads

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

Man-made Metal Pin (Non-geological)

Antimony-Lead Alloy or Zinc/Brass Base with Electroplating

Cullet Glass (Man-made Glass Slag)

Amorphous Silica (SiO2) with chemical additives

Polished blue calcite sphere (tentative identification)

Calcite, CaCO₃; blue color generally results from trace impurities or inclusions

Asphalt Chunk

Asphalt concrete

Synthetic Resin (Artificial Specimen)

Polyurethane or Polyester Resin

Blue Goldstone

Synthetic Avanturine Glass (or Aventurine Glass)

Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia)

Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy

Blue slag glass or dyed glass-like industrial material

Amorphous silicate glass; likely copper-bearing blue slag, but possibly colored man-made glass

Metal Chain (Likely Steel or a Steel Alloy)

Steel (primarily iron and carbon); specific alloy unknown

Brick

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

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Blue Goldstone

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

N/A - Man-made object (Jewelry Chain)

Antiqued or Oxidized Metal Chain (often Steel or Brass)

Blue Slag Glass

Amorphous Silica (Byproduct of smelting)

Green glassy mineral specimen, likely rough emerald or green fluorite

Tentatively beryl (Be₃Al₂Si₆O₁₈), emerald variety; synthetic/man-made glass cannot be excluded from the photograph

Slag Glass (Cullet)

Amorphous Silicon Dioxide (SiO2) with metal oxide colorants

Quartz (Engineered Quartz Surface)

Silicon Dioxide (SiO2) based composite

Nickel coin (U.S. currency)

Cupronickel (75% Copper, 25% Nickel alloy)

Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)

Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)

Asphalt (Bituminous Concrete)

Bituminous Concrete / Pavement

Green Aura Quartz (Titanium treated Kyanite or Quartz)

Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating

Blue Goldstone

Aventurine Glass

Probable amber fragment

Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)

Metal Alloy (Jewelry)

Not a naturally occurring rock or mineral; likely a metal alloy for jewelry. Possible compositions include sterling silver (92.5% silver, 7.5% copper), or other silver/gold alloys.

Goldstone

Aventurine Glass (SiO2 + Cu small inclusions)

Asphalt (Bituminous Concrete)

Composite material (bitumen binder with mineral aggregate)

Synthetic Marbled Aggregate (Footwear Component)

Ethylene-vinyl acetate (Croslite™)

Blue Slag Glass

Ferro-silicate glass (Slag)

Goldstone (Red)

Aventurine Glass

Quartz

Silicon dioxide (SiO₂)

Blue Goldstone

Aventurine Glass (Silicon Dioxide with metal inclusions)