Cardstock (Paper)
Cellulose (C6H10O5)n
sedimentary (man-made)
Category
Sedimentary (Man Made
Browse sedimentary (man made specimens identified by the Rock Identifier community.
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Exposed Aggregate Concrete (Pea Gravel)
Concrete with Siliceous Alluvial Gravels
sedimentary (man-made conglomerate)
Sandstone-based Concrete Fragment
Cementitious Composite with Sedimentary Aggregate
sedimentary (man-made/anthropogenic)
Concrete
Hydrated Portland Cement Aggregate Composite
Anthropogenic Sedimentary (Man-made)
Terrazzo (with Marble and Granite fragments)
Cementitious or resinous composite containing Calcium Carbonate (CaCO3) and Silicates
sedimentary (man-made composite)
N/A - Non-Geological Item
not a rock/mineral
Opalite
Synthetic glass / Opalized glass
gemstone
Concrete Fragment
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Chert (Arrowheads)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
mineral
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Synthetic material (Not a rock or mineral)
Cullet Glass / Slag Glass
Amorphous silica glass
man-made glass / industrial byproduct
One Pound Coin (UK)
Nickel-Brass Alloy (Cu-Zn-Ni)
mineral
Opalite
Man-made opalescent glass
gemstone
Unidentifiable Rock Fragment
Uncertain
Asphalt Concrete
Bituminous conglomerate
sedimentary
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
sedimentary (anthropogenic/man-made)
Sandstone Concretion
Limonitic Sandstone Concretion
sedimentary
Sea Glass
Man-made silicate glass
sedimentary
Asphalt (Road Aggregate)
Bituminous conglomerate
sedimentary
Asphalt Concrete
Bituminous Concrete
sedimentary (artificial)
Concrete
Anthropogenic Conglomerate
sedimentary
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
sedimentary
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (Chert or Flint)
sedimentary
Concrete Fragment
Hardened Portland cement and mineral aggregate
sedimentary (anthropogenic)
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
sedimentary
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
sedimentary
Opalite
Synthetic glass / Opalized glass
gemstone
Diamond (or Simulant)
Carbon (C) or relevant simulant formula (e.g., ZrO2 for Cubic Zirconia)
gemstone
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
mineraloid
Chert (Chalky Flint Node)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
ABS Plastic (Acrylonitrile Butadiene Styrene)
(C8H8)x·(C4H6)y·(C3H3N)z
Synthetic Polymer (Synthetic Material)
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
sedimentary
Rainbow Hematite Ring
Iron(III) oxide (Fe2O3) with thin-film coating
mineral
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
sedimentary
Diamond
Native Carbon (C)
gemstone
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Tumbled Clear Quartz/Rock Crystal
Silicon Dioxide (SiO2)
mineral
Concrete rubble
Anthropogenic conglomerate
sedimentary
Opalite
Synthetic Glass (Simulated Opal)
gemstone