Biological Specimen (Domestic Dog)
Canis lupus familiaris
Organic (Non-rock)
Category
Organic (Non Rock)
Browse organic (non rock) specimens identified by the Rock Identifier community.
Learn about Organic (Non Rock) in the encyclopedia
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Oak Wood (Wood Grain Pattern)
Quercus (genus)
Organic (Non-rock)
Quartz pebble or seed/crumb
SiO2 (if quartz)
mineral
Coal
Coal (Sedimentary Rock / Organic Rock)
sedimentary
Manganese-coated Sandstone
Clastic sedimentary rock with Manganese Oxide (often Pyrolusite or Psilomelane)
sedimentary
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
sedimentary
Grass (Organic Matter/Soil)
Poaceae (family of monocotyledonous flowering plants)
Organic Materia (Not a rock or mineral)
Bituminous Coal
Organic sedimentary rock (humic coal)
sedimentary
Coal
Anthracite / Bituminous Coal
sedimentary
Coal (Bituminous or Anthracite)
Carbonaceous Sedimentary Rock
sedimentary
Shungite (Noble/Type II)
Non-crystalline carbon (Fullerene-bearing carbonaceous rock)
metamorphic
Coal (Anthracite / Bituminous)
Organic Sedimentary Rock (Carbon-based)
sedimentary
Shale
Shale (comprised mostly of clay minerals and quartz)
sedimentary
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Fossiliferous Rock (likely Dinosaur Fossil in Matrix)
Permineralized Vertebrate Fossil (Calcium Carbonate/Silica replaced bone material)
sedimentary
Pearl
Calcium carbonate (CaCO3) in the form of aragonite
gemstone
Concretion (likely iron-rich sandstone or claystone concretion)
Diagenetic carbonate/iron-oxide concretion; exact mineralogy requires testing
sedimentary
Shungite
Non-crystalline carbon (high-carbon metamorphic rock)
metamorphic
Note: Item is not a geological specimen
Homo sapiens (Dermal Appendage: Pilus)
Organic / Biological
Chert Cobble / Quartzite River Stone
Microcrystalline Quartz (SiO2) / Quartzite
sedimentary
Bituminous Coal
Organic-rich sedimentary rock (Complex hydrocarbons)
sedimentary
Black Jasper (Black Onyx substitute)
Silicon Dioxide (SiO2) with carbonaceous impurities
sedimentary (microcrystalline quartz)
Shale
Shale (Fine-grained clastic sedimentary rock)
sedimentary
Amber (Copal)
Succinite (fossilized resin)
mineral
Ironstone Concretion
Ironstone (Siderite/Goethite/Hematite matrix)
sedimentary
Amber
Fossilized Tree Resin
gemstone
Anthracite Coal
Anthracite (Carbon-based organic sedimentary/metamorphic rock)
metamorphic
Weathered River Rock (likely Chert or Basalt with algae)
Silicon dioxide (SiO2) with organic biofilm
sedimentary
Chert (Pebble)
Microcrystalline to Cryptocrystalline Quartz (SiO2)
sedimentary
Shale or Siltstone
Sedimentary Clastic Rock (Variable mineral composition including quartz and clay minerals)
sedimentary
Shale
Shale (clay-sized silicate minerals)
sedimentary
Coal (Bituminous)
Organic sedimentary rock primarily consisting of carbon (C)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Chert (Pebble)
Silicon Dioxide (SiO2)
sedimentary
Fossilized Shark Tooth or Bone Fragment
Vertebrate Fossil (likely Carcharodon or similar genus)
fossil
Pink Opal
Amorphous Hydrous Silica (SiO2·nH2O)
mineral
Chert (Jasper / Petrified Wood)
Microcrystalline Quartz (SiO2)
sedimentary
Anthracite Coal
Anthracite (Carbon-based organic sedimentary rock transitioned to metamorphic)
metamorphic
Chert (often called Flint or Jasper depending on color)
Chert (SiO2 - Microcrystalline or Cryptocrystalline Quartz)
sedimentary
Fossiliferous Sandstone / Fossil Fragment
Fossiliferous Sedimentary Matrix with Indeterminate Fossil Material
fossil
Chert (River Cobble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Shungite
Non-crystalline carbon (similar to anthracite coal or meta-anthracite)
metamorphic