Amber
Amber (C10H16O)
mineral
Category
Organic (Biological Organism)
Browse organic (biological organism) specimens identified by the Rock Identifier community.
Learn about Organic (Biological Organism) in the encyclopedia
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Coral Rock (Coquina)
Biogenic Limestone (Calcium Carbonate - CaCO3)
sedimentary
Fossilized Bone
Petrified Bone / Biogenic Sedimentary
fossil
Fossiliferous Brachiopod in Shale
Brachiopoda (Phylum) preserved in Carbonaceous Shale
sedimentary
Pink Aragonite
CaCO3
mineral
Pink Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
mineral
Sandstone with Brachiopod Mold Fossil
Sedimentary rock (Sandstone) with indeterminate Brachiopod mold
fossil
Amber
Succinite (with formula approximately C10H16O)
Organic mineraloid
Note: Item is not a geological specimen
Homo sapiens (Dermal Appendage: Pilus)
Organic / Biological
Fossiliferous Limestone
Fossiliferous Limestone (containing bioclasts)
sedimentary
Petrified Wood with Lichen
Silicified Wood (SiO2) colonized by crustose lichens
fossil
Sandstone with Trace Fossils
Arenite with Ichnofossils
sedimentary
Enrolled Trilobite Fossil
Phylum Arthropoda, Class Trilobita (likely Calymene or Flexicalymene)
fossil
Fossil Shell (Brachiopod or Mollusk)
Phylum Brachiopoda or Class Bivalvia (e.g., Mucrospirifer or similar genus)
fossil
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Limestone
Limestone with embedded fossil cross-section
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Organic Inclusions
fossil
Grass (Organic Matter/Soil)
Poaceae (family of monocotyledonous flowering plants)
Organic Materia (Not a rock or mineral)
Seashell Fragment
Calcium carbonate (CaCO3) - primarily Aragonite or Calcite
fossil
Nacre (Mother of Pearl)
Nacre (Biogenic Aragonite/Calcite composite, CaCO3)
mineral
Mother of Pearl (Nacre)
Aragonite (layered with organic polymers), CaCO3
mineral
Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Chert
Silicon Dioxide (SiO2) with fossil inclusions
sedimentary
Amber
Fossilized tree resin (Amorphous organic polymer)
gemstone
Jasper containing fossilized inclusions
Silicon Dioxide (SiO2) with trace impurities and biogenic inclusions
sedimentary
Amber
Succinite (fossilized tree resin)
Organic Mineraloid
Soil with Mineral Detritus and Quartz Fragments
Regolith / Silicate Mineral Aggregate
sedimentary
Human Skin (Epidermis/Dermis)
Integumentary tissue (High content of hydroxyapatite in bones, though the surface is biological)
Mineral-like biological tissue
Kidney Stone
Calcium Oxalate (CaC2O4), Uric Acid, or Struvite
mineral
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Limestone with Fossil Inclusion
Calcium Carbonate (CaCO3) - Bioclastic Limestone
sedimentary
Crushed Limestone
Calcium Carbonate (CaCO3)
sedimentary
Hag Stone (Sandstone with Boreholes)
Bored Sandstone (Sedimentary rock with lithophaga-style borings)
sedimentary
Fossiliferous Sedimentary Rock
Sedimentary Rock with Invertebrate Fossil Imprint
fossil
Fossiliferous Limestone / Petrifaction
Sedimentary rock with fossil inclusions / Calcium Carbonate (CaCO3)
fossil
Tonsil Stone (Tonsillolith)
Calcium phosphate / Calcium carbonate biomineral
mineral
Fossiliferous Limestone
Calcium carbonate (CaCO3) matrix with fossil inclusions
fossil
Fossiliferous Sandstone
Sedimentary rock containing invertebrate fossils
fossil
Optical Calcite
Calcium Carbonate (CaCO3)
mineral
Fossiliferous Limestone
CaCO3 (with biological inclusions)
sedimentary
Amber
Succinite (fossilized tree resin)
mineraloid
Smurf Rock (Fictional Interpretation)
Cyanus Anthropomorphicus (Geologic Simulation)
Artificial/Fantasy Object