Shungite
Fullerene-bearing carbonaceous rock
mineral
Category
Organic (Biological Organism)
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Limestone
Calcium Carbonate (CaCO3)
sedimentary
Amber
Succinite (fossilized resin)
mineral
Shark Tooth Fossil
Vertebrate fossilized tooth (various genera such as Carcharodon, Otodus, or Negaprion)
fossil
Ferruginous Sandstone (with possible trace fossils)
Arenite with Iron-Oxide Cement (SiO2 with Fe2O3)
sedimentary
Amber
Succinite (specifically for Baltic amber); chemical formula approximately C10H16O
Mineraloid
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Amber
Succinicum (Succinite); C10H16O
Mineraloid (Organic)
Fossiliferous Limestone
Calcite-rich Fossiliferous Limestone (CaCO3)
sedimentary
Chert (Gravel)
Chert (Microcrystalline Silicon Dioxide, SiO2)
sedimentary
Amber
Succinite (fossilized tree resin)
mineraloid
Limestone (Cliff Formation)
Limestone (predominantly CaCO3 as calcite)
Sedimentary
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.
Organic Material (likely a fruit or berry)
Limestone Pebble
Sedimentary Rock (Calcite, CaCO3)
sedimentary
Fossiliferous Limestone
Fossiliferous Limestone
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Amber
Succinite
Organic (Mineraloid)
Chert
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Amber
Succinite (Fossilized Tree Resin)
fossil
Fossiliferous Limestone
Fossiliferous Limestone (CaCO3 with organic inclusions)
fossil
Fossil bivalve shell
Likely an extinct or modern-like ribbed cockle/scallop; exact genus requires locality and diagnostic hinge features
fossil
Amber
Succinates (fossilized tree resin), approximately C10H16O
organic gemstone
Limestone with Fossil Fragments
Bioclastic Carbonate Rock (CaCO3)
sedimentary
Limestone with Calcite Veining
Sedimentary Rock (Calcium Carbonate, CaCO3)
sedimentary
White limestone or chalky carbonate rock
Calcite-rich limestone; possibly chalk (CaCO₃)
sedimentary
Limestone (Weathered)
Calcium Carbonate (CaCO3)
sedimentary
Fossilized Bivalve Shell
Class Bivalvia (fossilized)
fossil
Limestone
Sedimentary Rock (Primarily CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Amber
Succinates (Organic Fossilized Resin)
mineral
Chert (River Siltstone/Quartzite)
Sedimentary Cryptocrystalline Quartz (SiO2)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium carbonate (CaCO3)
sedimentary
Limestone pebble
Sedimentary rock composed mainly of calcium carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Amber
Succinite (formula varies, primarily C10H16O)
Mineraloid (Organic)
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Limestone
Bioclastic Limestone (CaCO3)
sedimentary
Fossiliferous Limestone (containing Brachiopods)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossiliferous Limestone
Biogenic Limestone (CaCO3 with fossil fragments)
sedimentary
Fossiliferous Limestone
Biomicrite / Limestone with fossils
sedimentary