Goldfish Cracker (Culinary Mimic)
Cibus aurum (Commonly composed of Enriched Wheat Flour and Cheddar Cheese)
Anthropogenic Sedimentary-style Organic Solid
Category
Anthropogenic Sedimentary Style Organic Solid
Browse anthropogenic sedimentary style organic solid specimens identified by the Rock Identifier community.
Learn about Anthropogenic Sedimentary Style Organic Solid in the encyclopedia
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Chert Arrowhead (Lithic Artifact)
Microcrystalline Quartz (SiO2)
sedimentary
Chert Arrowhead (Lithic Tool)
Microcrystalline quartz (SiO2) - Archeological lithic artifact
sedimentary
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (Chert or Flint)
sedimentary
Terrazzo (Synthetic Composite Rock)
Cementitious or Epoxy Resin-bound Aggregates
Man-made metamorphic-style composite
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Slag (Industrial Byproduct)
Anthropogenic Vitreous Silicate material
igneous
Quartz Geode
Macrocrystalline Quartz (SiO2) within a geode structure
mineral
Asphalt Concrete
Bituminous Concrete / Asphaltic Composite
not a natural rock (man-made composite)
Pearl-and-gemstone insect brooch
Pearl: nacre (aragonite, CaCO₃); colored stones are likely synthetic or natural corundum/spinel/glass, not determinable from the image
gemstone
Chert (Arrowhead Shard)
Microcrystalline silica (SiO2)
sedimentary
Chert (Arrowhead Artifact)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Arrowhead Preform or Point)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Arrowheads)
Microcrystalline Quartz (SiO2)
sedimentary
Chert Arrowhead
Microcrystalline Quartz (SiO2)
sedimentary
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
mineral
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (SiO2)
sedimentary
Petrified Wood
Fossilized Wood (silicified wood)
fossil
Chert (Arrowhead Fragment)
Silicon Dioxide (SiO2)
sedimentary
Chert (Arrowhead/Tool variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Arrowhead/Projectile Point)
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2) in sedimentary host rock
sedimentary
Chert Arrowhead (Jasper)
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Chert (specifically Flint Arrowhead)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Pyrite Geode (Sparkling Druzy)
Iron Sulfide (FeS2) in Sedimentary Nodule
mineral
Chert (Arrowhead variety)
Chert (SiO2)
sedimentary
Fossiliferous Limestone
Carbonate sedimentary rock (CaCO3) with bioclasts
sedimentary
Onyx (Black) and Mother of Pearl Inlay
Silicon Dioxide (SiO2) for Onyx; Aragonite (CaCO3) for Mother of Pearl
mineral
Concrete
Anthropogenic Conglomerate
sedimentary
Chert (often called Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Asphalt
Asphalt concrete
sedimentary
Fossiliferous Limestone (Coquina)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Ceramic or Polished Stone Heart (Anthropogenic Material)
Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)
Synthetic/Anthropogenic Mineraloid
Geode (Unopened)
SiO2 (Quartz-filled Sedimentary Nodule)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
sedimentary
Shell Cameo
Cypraecassis rufa (Bullmouth Queen Helmet Shell)
mineraloid / biogenic specimen
Druzy Quartz on Vesicular Basalt
Silicon Dioxide (SiO2) in an extrusive Mafic igneous host rock
igneous
Chert (specifically Yellow/Brown Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Yellow Jasper (Mookaite style)
Silicon Dioxide (SiO2) with Goethite/Hematite inclusions
sedimentary