Mineral (Man Made Aura Treatment)

Blue Goldstone

Man-made glass with cobalt and metal flecks

Transit Token (RTD Denver)

Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)

Blue Goldstone

Aventurine Glass

Tumbled milky quartz pebble

Quartz (silicon dioxide, SiO₂), opaque-to-translucent milky variety

White pebble, likely quartz or calcite

Indeterminate from image; possible microcrystalline quartz (SiO₂) or calcite (CaCO₃)

Diamond

Native Carbon (C)

Blue Slag Glass

Anthropogenic Amorphous Silicon Dioxide

Sea Glass

Amorphous silicon dioxide (man-made glass weathered by nature)

Aluminum Slag

Anthropogenic Aluminum (Al)

Dzi Bead (Etched Chalcedony)

Cryptocrystalline Quartz (SiO2) with chemical etching

Cullet Glass (Slag)

Amorphous Silicon Dioxide (Man-made)

Chakra Stone Tower (Composite Multi-Mineral)

Crystalline Silicon Dioxide composite (SiO2) with various inclusions

Polymer Clay (Mock Mineral)

Polyvinyl chloride (PVC) with plasticizers and pigment

Opalite

Synthetic Glass (Simulated Opal)

Asphalt / Road Aggregate

Bituminous Conglomerate (synthetic)

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

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

Metal Chain (Likely Steel or a Steel Alloy)

Steel (primarily iron and carbon); specific alloy unknown

Opalite-style glass pendant

Man-made opalescent glass (not natural opal)

Small rounded mineral pebble, possibly quartz

Uncertain; likely microcrystalline or crystalline SiO₂ (quartz), potentially with iron-oxide staining

Polished opalite (likely man-made opalescent glass)

Opalite is a commercial name, not a mineral; typically opalescent glass, often soda-lime silicate glass

Quartz crystal fragment (likely milky quartz)

Quartz, silicon dioxide (SiO₂)

Dalmatian Stone

Dalmatian Jasper (a misnomer for an Aplite with Arfvedsonite spots)

Likely tumbled red mineral or glass imitation

Indeterminate; possibilities include red jasper (microcrystalline quartz, SiO₂) or dyed chalcedony

Tumbled milky quartz

Quartz (SiO₂), cryptocrystalline-to-massive variety

Concretion with Geode Cavity

Ferruginous Sandstone Concretion with Quartz Center

Chert (Arrowheads)

Microcrystalline Quartz (SiO2)

Green Aventurine

SiO2 (Silicon Dioxide with Fuchsite inclusions)

Opalite

Synthetic Opalized Glass / Man-made Glass

Opalite

Synthetic Opalized Glass

Asphalt Chunk (Bituminous Concrete)

Aggregated Bitumen / Artificial Breccia

Sea Glass

Man-made vitreous material (silica-based glass)

Titanium Coated Quartz (Aura Quartz)

Silicon dioxide with titanium vapor deposition (SiO2)

Engineerged Quartz (Quartz Composite)

SiO2 (Silicon Dioxide) in a polymer resin matrix

Aggregate Concrete

Anthropogenic Conglomerate (Technosol)

Tumbled milky quartz

Quartz — silicon dioxide (SiO₂), cryptocrystalline or microcrystalline variety possible

Opalite

Synthetic Glass / Man-made Opal Simulant

Opalite glass sphere (likely synthetic imitation)

Man-made opalescent glass; not natural opal

Goldstone

Avventurina (Man-made Glass with Copper inclusions)

Opalite

Man-made glass (traditionally simulated Opal)

Asphalt (Bituminous Concrete)

Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)

Exposed Aggregate Concrete (Pea Gravel)

Concrete with Siliceous Alluvial Gravels

Ironstone Concretion (Pot Stone)

Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)