Paper (Cellulose)
Cellulose (C6H10O5)n
Organic (Anthropogenic)
Category
Organic (Anthropogenic)
Browse organic (anthropogenic) specimens identified by the Rock Identifier community.
Chert (Arrowhead Preform or Point)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (often called Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert (Arrowhead/Tool variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (specifically Flint Arrowhead)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Arrowhead variety)
Chert (SiO2)
sedimentary
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
sedimentary
Asphalt (Bituminous pavement)
Bituminous concrete / Asphalt
Sedimentary (Anthropogenic)
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
sedimentary
Ferrocoke or Slag
Anthropogenic pyrometallurgical residue
igneous
Iron Slag
Anthropogenic Iron Silicate
industrial byproduct
Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
man-made rock (sedimentary analogue)
N/A - Image does not contain a rock or mineral
Anthropogenic textile material
Non-geological
Terrazzo (Synthetic Composite Rock)
Cementitious or Epoxy Resin-bound Aggregates
Man-made metamorphic-style composite
Anthropogenic Heat Source (Electronic/Industrial Interface)
Thermal IR emission (Electronic infrastructure)
not a rock or mineral
Asphalt (Bituminous Pavement Bit)
Bitumen-bound aggregate (Petrochemical-bound composite)
sedimentary (anthropogenic/technogenic)
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Slag
Anthropogenic glassy silicate
Mineral-like byproduct
Green Slag
Anthropogenic Silicate Glass
Mineraloid (Industrial byproduct)
Note on Image Identification: Textile
N/A (Anthropogenic material)
not a rock
Slag (Industrial)
N/A (Anthropogenic Slag)
industrial by-product
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
not a natural rock
Iron Slag
Anthropogenic pyrometallurgical residue
industrial byproduct
Slag (Industrial Glass/Byproduct)
Anthropogenic Vitreous Silicate
igneous (anthropogenic)
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Mineral equivalent / Metal Alloy
Asphalt Concrete
Bituminous Concrete / Asphaltic Composite
not a natural rock (man-made composite)
Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)
Silicon Dioxide (SiO2) with metallic inclusions
man-made material
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
not a natural rock
Slag
Anthropogenic Iron Silicate Glass
mineral
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Asphalt (Bituminous Concrete)
Bituminous mix / Anthropogenic conglomerate
man-made composite (lithified equivalent of sedimentary)
Synthetic Faux Fur Fursuit
Polyacrylonitrile / Polyester (Synthetic Textile)
not a rock (synthetic material/costume)
Asphalt Chunk (with aggregate)
Bituminous concrete / Anthropogenic conglomerate
sedimentary (anthropogenic/man-made conglomerate)
Chert Arrowhead
Microcrystalline Quartz (SiO2)
sedimentary
Slag (Industrial Glass)
Anthropogenic Amorphous Vitreous Silicate
mineraloid
Slag (Industrial Glassy Byproduct)
Anthropogenic silicate byproduct (Slag)
Mineral-like byproduct (often mistaken for igneous rock or meteorite)
Green Slag Glass
Amorphous Silica Glass (Anthropogenic)
Industrial byproduct (often mistaken for obsidian or mineral)
Lava Rock with Fabric Impression
Scoria or Basalt with anthropogenic impressions
igneous
Iron Slag
Anthropogenic Vitreous Ferrous Silicate
industrial byproduct (anthropogenic)