Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
Metallic Ornament / Jewelry
N/A - This is an artificial object, not a geological specimen.
Dyed Agate
Silicon Dioxide (SiO2)
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Dyed Agate (Tumbled)
Silicon Dioxide (SiO2) - stained microcrystalline quartz
Trilobite Fossil (Flexicalymene)
Flexicalymene ouzregui
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
Dalmatian Stone (commonly Dyed)
Dalmatian Jasper (Peralkaline igneous rock)
Moqui Marble (Shaman Stone)
Iron Oxide Concretion (Hematite/Goethite shell with Sandstone core)
Dyed and Metallic Coated Agate Geode
Silicon Dioxide (SiO2) with titanium/gold vapor deposition coating
Painted Garden Rock (likely Granite or Limestone base)
Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3) based substrate with Acrylic/Enamel pigments
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
Chakra Stone (Composite / Man-made Bonded Gemstones)
Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Dyed Agate Slice
Silicon Dioxide (SiO2) with artificial colorants
Dyed Howlite (Dyed Red)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
Blue Agate (likely Dyed)
Silicon Dioxide (SiO2) - Chalcedony variety
Blue Onyx (Dyed Agate)
Cryptocrystalline Quartz (SiO2) with artificial pigment
Not a rock, mineral, or geological specimen
Pickled Dragon Eggs (Fictional Interpretation: Purple Agate or Amethyst Geodes)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Red Dyed Howlite
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
Dyed Blue Agate
Silicon Dioxide (SiO2)
Dyed Agate
Silicon Dioxide with artificial pigment (SiO2)
Asphalt (Bituminous pavement fragment)
Artificial conglomerate / Bitumen-Aggregate mixture
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
Beads (likely glass or man-made material)
N/A (artificial material)
Blue Goldstone
Goldstone (artificial glass)
Dyed Chalcedony (Agate)
Silicon Dioxide (SiO2) with artificial pigment
Orange Calcite point
Calcite (Calcium Carbonate, CaCO3)
Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
Dyed Chalcedony (Agate)
Silicon Dioxide (SiO2) with artificial pigment
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
Ceramic or Polished Stone Heart (Anthropogenic Material)
Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)
Slag (Industrial Glass)
Artificial Vitreous Silicate
Blue-dyed Quartz Druzy
Silicon Dioxide (SiO2) with artificial pigment
Purple Chalcedony (likely dyed Agate)
Silicon Dioxide (SiO2)
Dyed Agate
Silicon Dioxide (SiO2) - variety Chalcedony