Unknown Organic Object (likely a berry or fruit)
Not applicable; this is not a geological specimen. If it were a cranberry, its scientific name would be Vaccinium macrocarpon; if a cherry, it would be Prunus avium or Prunus cerasus.
Category
Browse organic material (likely a fruit or berry) specimens identified by the Rock Identifier community.
Unknown Organic Object (likely a berry or fruit)
Not applicable; this is not a geological specimen. If it were a cranberry, its scientific name would be Vaccinium macrocarpon; if a cherry, it would be Prunus avium or Prunus cerasus.
Lemon (Mock specimen mimicking Citrine/Sulfur)
Citrus x limon
Conglomerate
Conglomerate (clastic sedimentary rock)
Ferruginous Conglomerate
Conglomerate with Iron-Oxide Matrix (SiO2 + Fe2O3/FeO(OH))
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (clastic sedimentary rock type)
Fossil Shark Tooth
Carcharodon sp. (likely Otodus or similar Lamniformes order)
Fossiliferous Chert (with Fossil Shells)
Silicon Dioxide (SiO2) with biogenic inclusions
Chert (Flint)
Microcrystalline Quartz (SiO2)
Coquina or Fossiliferous Limestone
Fossiliferous Calcarenite (CaCO3)
Petrified Wood
Silicified Wood (SiO2)
Chert (Fossiliferous)
Silicon dioxide (SiO2)
Conglomerate
Conglomerate rock
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified wood (Quartz/Chalcedony/Opal replacing organic matter)
Agatized Fossil or Chalcedony Nodule
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Puddingstone (Conglomerate)
Conglomerate (clastic sedimentary rock)
Puddingstone
Conglomerate
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Sandstone (with potential fossil inclusions)
Clastic sedimentary rock (primarily SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chalcedony (Botryoidal or Tumbled)
Chalcedony (SiO₂)
Chert (specifically a weathered Chert nodule or fragment)
Chert; Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Ferruginous Sandstone (with possible trace fossils)
Arenite with Iron-Oxide Cement (SiO2 with Fe2O3)
Chert (and Petrified Wood)
Silicon Dioxide (SiO2)
Chert (specifically Jasper or Flint)
Cryptocrystalline Quartz (SiO2)
Sandstone with Algae Growth
Arenite with Chlorophyta/Lichen
Petrified Wood
Silicified Wood (SiO2)
Chert (often called Flint when dark or worked)
Cryptocrystalline silica (SiO2)
Chert (Jasper nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartzite with inclusions
Quartzite
Chert (often called Flint or River Stone)
Microcrystalline Quartz (SiO2)
Chert (often called Flint or Agate nodule)
Cryptocrystalline Quartz (SiO2)
Chert (often called Flint or River Pebble)
Chert (Microcrystalline Quartz, SiO2)
Chert (Jasper/Limonitic Chert)
Microcrystalline Quartz (SiO2)
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
Megalodon Shark Tooth (Partial Fossil)
Otodus megalodon (fossilized in Calcium Phosphate/Apatite)
Chert (v. Flint)
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)