Amber
Succinate (Succinite for Baltic varieties)
Organic Mineraloid
Category
Organic (Biological Specimen)
Browse organic (biological specimen) specimens identified by the Rock Identifier community.
Seashell fragment
Calcium carbonate (CaCO3)
Biogenic material
Amber (in Matrix/Shale)
Amber (Fossilized Tree Resin)
mineral
Pearl
Calcium carbonate (CaCO3) + organic conchiolin
gemstone
Limestone with Fossil Fragment
Sedimentary carbonate rock (CaCO3)
sedimentary
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Fossiliferous Rock (Invertebrate Fossil in Matrix)
Fossiliferous limestone or shaly matrix containing skeletal fossil remains
fossil
Amber
Succinite (C10H16O)
mineraloid
Goldfish Cracker (Culinary Mimic)
Cibus aurum (Commonly composed of Enriched Wheat Flour and Cheddar Cheese)
Anthropogenic Sedimentary-style Organic Solid
Amber
Succinite (Approximate formula: C10H16O)
Mineraloid
Black Pearl (Tahitian Type)
Aragonite / Pinctada margaritifera (CaCO3 + Conchiolin)
Organic Gemstone
Fossiliferous Limestone
CaCO3 (with biological inclusions)
sedimentary
Fossilized Echinoid (Sea Urchin)
Echinoidea (Class)
sedimentary
Fossiliferous Sandstone
Sedimentary rock containing invertebrate fossils
fossil
Olive Sea Shell Fossil
Oliva sp. (Calcium Carbonate, CaCO3)
fossil
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Bioclastic Inclusions
sedimentary
Sandstone concretion (Ironstone-stained)
Arenite with Limonite/Hematite staining (Silica-based with Iron Oxides)
sedimentary
Coral Fossil (Scleractinia)
Scleractinia (Order), primarily CaCO3 (Aragonite or Calcite)
sedimentary
Weathered Sandstone with Algae Growth
Arenite
sedimentary
Pearl
Calcium Carbonate (Aragonite) with Conchiolin; formula: CaCO3
mineral
Amber
Succinite (fossilized resin)
mineral
Amber
Succinate (Fossilized Resin)
mineral
Sea Shell (Mollusk Shell)
Calcium Carbonate (Aragonite/Calcite)
fossil
Amber
Succinurite (C10H16O)
mineraloid
Amber
Succinite (Fossilized Resin)
fossil
Amber
Succinite (C10H16O)
mineral
Amber
Succinite (approximate formula C10H16O)
mineraloid
Seashell (Cockle Shell)
Cardiidae (Bivalvia), primary composition: Calcium Carbonate (CaCO3) in the form of aragonite or calcite
fossil
Amber
Succinite (Fossilized Tree Resin)
mineraloid
Amber
Succinates (C10H16O)
mineraloid
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Amber
Succinite (a variety of fossilized tree resin); chemical formula appx. C10H16O
mineraloid
Sandstone (with Lichen)
Arenite (composed primarily of SiO2)
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with organic fossil inclusions
sedimentary
Chert (often called Flint or River Pebble)
Microcrystalline Quartz (SiO2)
sedimentary
Limestone (specifically Marl or Chalk)
Calcium Carbonate (CaCO3)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Amber
Resinite (Succinite if from the Baltic); Chemical Formula: C10H16O (approximate)
Organic Diamond/Gemstone (often associated with Sedimentary sequences)
Chert with Iron Oxide Staining
Microcrystalline Quartz (SiO2) with Limonite/Goethite staining
sedimentary
Fossilized Bone (Petrified Bone)
Permineralized Vertebrate Remains
sedimentary
Chert
Channery Chert (Microcrystalline Quartz)
sedimentary
Polished septarian nodule
Calcite–aragonite–barite septarian concretion, commonly in a claystone or limestone matrix
sedimentary