Asphalt Concrete
Bituminous Concrete
sedimentary (artificial)
Category
Sedimentary (Artificial)
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
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Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
sedimentary (artificial)
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
sedimentary (artificial)
Concrete or artificial stone core sample
Artificial conglomerate
sedimentary
Asphalt Conglomerate
Artificial Bituminous Conglomerate
sedimentary
Painted Garden Rock
Coated Siltstone or Mudstone
sedimentary
Metallic Ornament / Jewelry
N/A - This is an artificial object, not a geological specimen.
This appears to be a man-made metallic object, likely jewelry, not a natural rock, mineral, or geological specimen.
Pet Rock (Quartzite/Sandstone River Rock)
Silicon Dioxide (SiO2) mixture
sedimentary
Quartz Pebble (Chalcedony / Agate)
Silicon Dioxide (SiO2)
sedimentary
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
sedimentary
Concrete Fragment
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Dyed Imperial Jasper
SiO2 (Silicon Dioxide)
gemstone
Dyed Agate
Silicon Dioxide (SiO2)
mineral
Dyed Blue Agate Geode Slice
Chalcedony (Silicon Dioxide, SiO2)
mineral
Sandstone with Liesegang Rings
Quartzose Sandstone with Iron Oxide Precipitation
sedimentary
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Blue Dyed Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Quartz (Tumbled)
SiO2 (Silicon Dioxide)
mineral
Asphalt
Asphalt concrete
sedimentary
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
sedimentary
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Asphalt Chunk (Bituminous Concrete)
Aggregated Bitumen / Artificial Breccia
sedimentary
Red Painted Rock
Artificial Coated Lithic Fragment
sedimentary
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
mineral
Trilobite Fossil (Flexicalymene)
Flexicalymene ouzregui
sedimentary
Dyed Crackle Quartz/Agate (resembling Watermelon Tourmaline)
SiO2 (Silicon Dioxide)
Mineral/Treated
Blue Howlite (Dyed)
Dyed Howlite (Calcium Borosilicate Hydroxide, Ca2B5SiO9(OH)5)
mineral
Dyed Agate
Silicon Dioxide (SiO2) - Chalcedony variety
sedimentary
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Dyed Agate (Tumbled)
Silicon Dioxide (SiO2) - stained microcrystalline quartz
sedimentary
Dyed Blue Agate
Silicon dioxide (SiO2) with artificial pigment
mineral
Dyed Tumbled Quartz (Dragon's Vein Agate/Quartz)
Silicon Dioxide (SiO2) with artificial dye
mineral
Dyed Agate
Microcrystalline Quartz (SiO2) with artificial pigment
sedimentary
Pink Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
sedimentary
Dyed Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Small rounded pebble, likely weathered sandstone or iron-stained sedimentary rock
Indeterminate; probable quartz-rich sandstone (SiO₂ with clay/iron-oxide cement)
sedimentary
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Concrete fragment or Conglomerate
Artificial Conglomerate (Concrete) or Natural Conglomerate
sedimentary
Dyed Agate Slice
Silicon Dioxide (SiO2) with artificial colorants
Mineral (variety of Chalcedony)
Dyed Agate
Chalcedony (SiO2)
mineral
Peacock Ore (Treated Chalcopyrite)
Copper Iron Sulfide (CuFeS2) coated with oxides
mineral
Polished druzy quartz specimen
Quartz (SiO₂), likely druzy quartz with possible blue chalcedony or inclusions
mineral