Painted River Rock
Anthropogenic-modified Siliciclastic Sedimentary Rock
Category
Browse anthropogenic sedimentary (man made) specimens identified by the Rock Identifier community.
Painted River Rock
Anthropogenic-modified Siliciclastic Sedimentary Rock
Goldstone (with Tiger's Eye and Quartz)
Aventurine glass (Synthetic SiO2 with Cu inclusions)
Opalite (a synthetic glass, often confused with Opal)
Silicon dioxide glass (SiO2nH2O, for natural opal)
Clay Brick
Ceramic structural unit (Al2O3·2SiO2·2H2O as precursor)
Sea Glass (Cobalt Blue)
Amorphous Silica (Glass with Cobalt additives)
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Chert (Arrowhead Debitage or Flake)
Microcrystalline silica (SiO2)
Chert (Arrowhead variety)
Chert (SiO2)
Ferrocoke or Slag
Anthropogenic pyrometallurgical residue
Iron Slag
Anthropogenic Iron Silicate
N/A - Image does not contain a rock or mineral
Anthropogenic textile material
Terrazzo (with Marble and Granite fragments)
Cementitious or resinous composite containing Calcium Carbonate (CaCO3) and Silicates
Conglomerate (Asphaltic/Anthropogenic)
Clastic sedimentary rock / Bituminous mixture
Goldstone (Red/Brown)
Aventurine Glass (SiO2 with Copper inclusions)
Anthropogenic Heat Source (Electronic/Industrial Interface)
Thermal IR emission (Electronic infrastructure)
Cardstock (Paper)
Cellulose (C6H10O5)n
Slag (Industrial Glass/Byproduct)
Anthropogenic Vitreous Silicate
Iron Slag
Anthropogenic pyrometallurgical residue
Slag (Industrial)
N/A (Anthropogenic Slag)
Opalite
Man-made synthetic glass with opalescent effects (SiO2 + metal oxides)
Slag Glass (Cullet)
Amorphous Silica (man-made), primarily SiO2 with trace metal oxides
Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia)
Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy
Man-made Glass (Tumbled/Shaped)
Amorphous Silicon Dioxide (SiO2) with metal oxide colorants
Man-made Crystal (Lead Glass)
Lead oxide-doped Silica Glass (approx. SiO2 + PbO)
Chalk
Micrite (primarily Calcium Carbonate, CaCO3)
Sandstone Concretion
Sedimentary concretion
Man-made Ceramic / Clay Figurine
Aluminosilicate Ceramic (Processed Clay)
Man-made Blank Ammunition (Brass)
CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)
Glass / Silicon Dioxide (Man-made)
SiO2 (Amorphous Silicon Dioxide)
Turquoise
Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
Note: Item is a Synthetic/Man-made Object
Titanium-coated Stainless Steel (Fe-Cr-Ni-Ti)
Painted River Pebble (likely Basalt or Greywacke)
Aphanitic Lithic Clast with Anthropogenic Pigment coating
Asphalt (Bituminous Concrete)
Asphaltum / Bitumen-Aggregate Matrix
Slag
Anthropogenic Iron Silicate Glass
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Blue Sapphire (Synthetic or Man-made Glass Imitation)
Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
Chert (Flint/Jasper variety)
Microcrystalline Quartz (SiO2)
Grooved Maun Ball (Maul/Hammerstone-like Concretion)
Calcareous/Ferruginous Concretion in Sandstone Matrix
Slag (Industrial Byproduct)
Ferro-silicate glass (Slag)
Sea Glass (Frosted Glass)
Amorphous Silica (SiO2) with various additives