Amber
Succinite (approximate formula C10H16O)
mineraloid
Category
Organic (Biological Organism)
Browse organic (biological organism) specimens identified by the Rock Identifier community.
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Fossiliferous limestone pebble
Calcite-rich limestone containing possible brachiopod or coral fossil impressions
fossil
Amber
Succinates (C10H16O)
mineraloid
Fossiliferous Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sea Shell (Mollusk Shell)
Calcium Carbonate (Aragonite/Calcite)
fossil
Limestone with Fossil Fragment
Sedimentary carbonate rock (CaCO3)
sedimentary
Amber
Succinates (Fossilized Tree Resin)
mineraloid
Fossiliferous Limestone (Crinoidal)
Bioclastic Limestone (predominantly CaCO3)
sedimentary
Fossil Shark Tooth (Sand Tiger or Mackerel Shark)
Carcharias sp. or Otodus sp. replaced by Hydroxylapatite/Calcium Carbonate
sedimentary
Fenestella Bryozoan Fossil
Fenestella (class Stenolaemata)
fossil
Amber
Succinite (with empirical formula approximately C10H16O)
Organic Mineraloid
Ironstone Concretion
Ironstone (Limonite/Goethite Concretion)
sedimentary
Red Moss Agate (Jasper)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Bioclastic Inclusions
sedimentary
Hag Stone (Odin Stone / Adder Stone)
Perforated Pebble (commonly Chert, Mudstone, or Limestone)
sedimentary
Amber
Succinite (organic fossilized resin)
mineraloid
Amber
Succinate (Organic Fossilized Resin)
mineraloid
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with marine fossils
fossil
Fossiliferous Limestone
Fossiliferous Calclutite / Bio-calcarenite (CaCO3)
sedimentary
Amber
Succinite (Fossilized Tree Resin)
fossil
Orange Calcite (Iron-Stained)
Calcium Carbonate (CaCO3)
mineral
Limestone with Algal/Lichen Colonization
Calcium Carbonate (CaCO3)
sedimentary
Fossilized Brachiopod Shell
Order Spiriferida (likely)
fossil
Limestone (Flagstone)
Fossiliferous Limestone (CaCO3)
sedimentary
Shungite
Carbonaceous rock (primarily amorphous carbon)
Mineraloid
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Precious Red Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
Mineral (Organic Gemstone)
Amber
Succinite (specifically Baltic Amber) - Formula: C10H16O (approximate)
Organic Mineraloid
Precious Red Coral
Corallium rubrum / Corallium japonicum
mineral (organic gemstone)
Limestone (specifically Bituminous or Carbonaceous Limestone)
Calcium Carbonate (CaCO3) with Organic Impurities
sedimentary
Sandstone with Algae Growth
Arenite with Chlorophyta/Lichen
sedimentary
Polished fossiliferous agate
Chalcedony (microcrystalline SiO₂), likely containing fossil coral or stromatoporoid structures
sedimentary
Amber
Succinicum (Organic Gemstone - Resinite)
mineraloid
Amber
Succinite (a fossilized organic resin)
mineral
Oak Wood (Wood Grain Pattern)
Quercus (genus)
Organic (Non-rock)
Moss-covered Rock Fragment
Weathered Rock Fragment with Epilithic Growth
sedimentary
Ironstone Concretion (Limonite/Goethite)
Goethite/Limonite concretion (FeO(OH)·nH2O)
sedimentary
Limestone with Lichen
Carbonate Sedimentary Rock (primarily CaCO3)
sedimentary
Agatized Fossil (Druzy Agate)
Silicon Dioxide (SiO2) replacing organic matter
sedimentary
Likely fossil shell fragment
Indeterminate mollusk fossil; possibly a gastropod or bivalve in limestone
fossil
Shark Tooth Fossil
Carcharhiniformes or Lamniformes (order level fossil)
fossil
Amber
Succinite (Fossilized Tree Resin)
gemstone