Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Bioclastic Inclusions
sedimentary
Category
Mineralized Fossil
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Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone Pebble
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Crushed Limestone
Calcium Carbonate (CaCO3)
sedimentary
Burmese Amber (Burmite)
Burmite (C10H16O)
mineraloid
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
sedimentary
Crushed Limestone
Calcium Carbonate (CaCO3)
sedimentary
Amber
Succinite (Fossilized Tree Resin)
Organic Mineraloid
Queen Conch Shell (Biogenic Calcium Carbonate)
Aliger gigas (synonym Strombus gigas); Composition: Aragonite (CaCO3)
mineral
Shale creek bed
Shale (fine-grained clastic sedimentary rock)
Sedimentary
Amber
Succinite (Organic Mineraloid) - C10H16O
mineral
Sandstone or Mudstone with Iron Staining
Ferruginous Sandstone/Mudstone
Sedimentary
Sandstone Concretion
Clastic Sedimentary Rock - Quartz Arenite / Sandstone
sedimentary
Red Sandstone
Arenite (with Iron Oxide / Hematite cementation)
sedimentary
Coquina or Fossiliferous Limestone
Fossiliferous Calcarenite (CaCO3)
sedimentary
Fossiliferous Limestone with Rugose Coral
Calcite (CaCO3) containing a Rugosa (Horn Coral) fossil
sedimentary
Piddock bored rock (Boring Stone)
Ichnofossil-bearing Limestone or Mudstone (trace fossils by Pholadidae)
sedimentary
Lepidodendron fossil (Scale Tree Bark)
Lepidodendron (Lycophytina class)
sedimentary
Ammolite
Biogenic gemstone (Aragonite, CaCO3)
mineral
Shale
Fissile Mudstone (primarily composed of phyllosilicate minerals like kaolinite, montmorillonite, and illite)
sedimentary
Coquina
Biogenic Limestone (Calcite, CaCO3)
sedimentary
Chert (Yellow or Tan variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Sandstone with Foliose Lichen
Arenite (Rock matrix) with Xanthoparmelia or Flavoparmelia (Lichen genus)
sedimentary
Chert (Field Stone)
Microcrystalline Quartz (SiO2)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone (Beach Pebble)
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcareous sedimentary rock (CaCO3)
sedimentary
Favosites Fossil (Honeycomb Coral)
Favosites (Order Favositida)
sedimentary
Crushed Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Siltstone
Siltstone (SiO2, Fe2O3, Al2O3 mix)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Slate
Slate (Foliated metamorphic rock)
metamorphic
Amber
Succinite (Resin C10H16O)
mineral
Limestone (Weathered)
Sedimentary Carbonate Rock (CaCO3)
sedimentary
Tiffany Stone
Fluorite-bearing Opalized Breccia
Rock/Mineralized Nodule
Chert Nodule
Microcrystalline Quartz (SiO2)
sedimentary
Amber
Succinite (C10H16O)
mineraloid
Coral Fossil (Favosites type)
Phylum Cnidaria, Class Anthozoa (often CaCO3 - Calcium Carbonate)
sedimentary
Limestone (specifically Carboniferous Limestone)
Calcium Carbonate (CaCO3)
sedimentary
Limestone (River or Sea Cobble)
Calcium Carbonate (CaCO3)
sedimentary