Lemon (Mock specimen mimicking Citrine/Sulfur)
Citrus x limon
Category
Browse organic (biological specimen) specimens identified by the Rock Identifier community.
Lemon (Mock specimen mimicking Citrine/Sulfur)
Citrus x limon
Sea Bean (Hamburger Bean)
Mucuna sloanei
Orange Tabby (Felis catus)
Felis silvestris catus (variety: Red Mackerel Tabby)
Human Skin (Epidermis/Dermis)
Integumentary tissue (High content of hydroxyapatite in bones, though the surface is biological)
Grass (Organic Matter/Soil)
Poaceae (family of monocotyledonous flowering plants)
Note: Item is not a geological specimen
Homo sapiens (Dermal Appendage: Pilus)
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Chert (and Fossilized Brachiopod shell)
Sedimentary Cryptocrystalline Quartz (SiO2)
Smurf Rock (Fictional Interpretation)
Cyanus Anthropomorphicus (Geologic Simulation)
Rough Amber (likely Copal or immature Amber)
Organic gemstone / Succinite (if Baltic)
Red Moss Agate (Jasper)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Kidney Stone
Calcium Oxalate (CaC2O4), Uric Acid, or Struvite
Agatized Fossil (Druzy Agate)
Silicon Dioxide (SiO2) replacing organic matter
Fossiliferous Limestone
Calcareous biomicrite / Calcium Carbonate (CaCO3)
Sandstone with Algae Growth
Arenite with Chlorophyta/Lichen
Amber (Copal)
Fossilized Tree Resin (C10H16O)
Aragonite (Star Cluster or Twinned variety)
Aragonite (Calcium Carbonate, CaCO3)
Chert Nodule (Fossiliferous Chert)
Microcrystalline Quartz (SiO2)
Amber
Succinite (Formula: C10H16O)
Fossiliferous Chert (with Fossil Shells)
Silicon Dioxide (SiO2) with biogenic inclusions
Biological Specimen (Domestic Dog)
Canis lupus familiaris
Fossiliferous Limestone (Coral Fossil)
Scleractinian Coral in Calcium Carbonate (CaCO3)
Chert (Iron-stained)
Microcrystalline silica (SiO2) with trace Iron oxide (Fe2O3)
Chert (Cherty Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Fossiliferous Limestone (Gritstone/Marl)
CaCO3 (Calcium Carbonate) with Fossil Inclusions
Amber (Rough Baltics/Beach Specimen)
Succinicum (Organic Gemstone - Fossilized Resin)
Amber
Succinite (fossilized tree resin)
Limestone (Weathered)
Calcium Carbonate (CaCO3)
Fossiliferous Limestone with Rugose Coral
Calcite (CaCO3) matrix containing Rugosa (order of extinct solitary and colonial corals)
Amber
Succinite (fossilized resin)
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.
Amber
Succinite (specifically for Baltic amber); chemical formula approx. C10H16O
Petrified Wood
Silicified Wood (primarily SiO2)
Dendritic Limestone
Calcite with Manganese Oxide (Manganese Dendrites)
Amber
Resinite / Fossilized Tree Resin
Amber
Succinicum (C10H16O)
Biological Bone (Patella/Knee)
Patella (part of the Human Skeletal System)
Amber
Succinite (specific to Baltic amber), fossilized tree resin
Amber (Copal)
Succinite (fossilized tree resin)
Petrified Wood
Silicified Wood (primarily Quartz / Chalcedony: SiO2)
Fossil Shark Tooth (Sand Tiger or Mackerel Shark)
Carcharias sp. or Otodus sp. replaced by Hydroxylapatite/Calcium Carbonate
Amber (in Matrix/Shale)
Amber (Fossilized Tree Resin)