Sedimentary (Matrix)

Brachiopod Fossil in Sedimentary Matrix

Phylum Brachiopoda in Siltstone/Mudstone matrix

Quartz, Sandstone, and Siltstone specimens

Silicon Dioxide (SiO2) and Clastic Sedimentary Rocks

Chert with Limestone

Microcrystalline Quartz (SiO2) in Calcium Carbonate (CaCO3) matrix

Dendritic sandstone

Sandstone with Manganese Oxide dendrites

Hag Stone

Siltstone or Fine-grained Sandstone with boring (e.g., Lithophaga impact)

Bivalve Fossil in Sedimentary Matrix

Fossiliferous Mudstone (Class: Bivalvia)

Quartz Druze on Matrix

Silicon Dioxide (SiO2)

Quartz Geode in Sedimentary Matrix

Silicon Dioxide (SiO2) within a limestone/dolostone host

Botryoidal Hematite (Iron Stone Conglomerate)

Hematite (Fe2O3) in sedimentary matrix

Quartz Vein in Sedimentary Matrix

Silicon Dioxide (SiO2) with host rock

Fossil Shell in Sedimentary Matrix

Bivalvia (fossil) in Calcium Carbonate Matrix

Sandstone (with Iron Oxide)

Quartz Arenite / Ferruginous Sandstone (SiO2 with Fe2O3)

Fossilized Limestone with Crinoid Stem

Carboniferous Limestone (containing Crinoidea ossicles)

Gastropod Fossil (Internal Mold)

Phylum Mollusca, Class Gastropoda (Steinkern)

Fossiliferous Limestone with Brachiopod

Phylum Brachiopoda in Sedimentary Matrix (CaCO3)

Pyrite Concretion

Iron Sulfide (FeS2) in Sedimentary Matrix

Limestone (or Sandstone)

Calcium Carbonate (CaCO3) / Silica (SiO2)

Turritella Gastropod Fossil

Turritella (mollusk fossil in sedimentary matrix)

Fossiliferous Limestone with Brachiopod

Phylum Brachiopoda in Sedimentary Matrix (CaCO3)

Geode

Crystalline Quartz in Sedimentary Matrix (SiO2)

Pyrite in Shale

Iron Sulfide (FeS2) in Sedimentary Matrix

Fossilized Rugose Coral in Limestone

Order Rugosa in Sedimentary Matrix (CaCO3)

Quartz Vein in Siltstone

SiO2 (Quartz) on clastic sedimentary matrix

Quartz Vein in Host Rock

Quartz (SiO2) in Mafic or Sedimentary Matrix

Limestone with Calcite Vug

Calcium Carbonate (CaCO3) in Sedimentary Matrix

Megalodon Shark Tooth Fossil

Otodus megalodon (fossilized in sedimentary matrix)

Fossiliferous Concretion

Septarian Concretion containing Brachiopods/Crinoids

Ironstone / Gossan with Quartz Inclusions

Limonite / Goethite rich Sandstone / Gossan

Fossiliferous Sandstone / Fossil Fragment

Fossiliferous Sedimentary Matrix with Indeterminate Fossil Material

Quartz Vein in Host Rock (likely Sandstone or Mudstone)

Silicon Dioxide (SiO2) within Sedimentary Matrix

Fossilized Shark Teeth in Matrix

Cretaceous Chondrichthyes (Shark) remains in Sedimentary Matrix

Dinosaur Skull Fossil (Velociraptor Replica)

Velociraptor mongoliensis fossil specimen in sedimentary matrix

Brachiopod Fossil in Sedimentary Rock

Phylum Brachiopoda fossil imprint in sedimentary matrix

Fossilized Trilobite or Mollusk Fragment

Phylum Arthropoda / Mollusca fossil in sedimentary matrix

Quartz Geode

Crystalline Silicon Dioxide (SiO2) in sedimentary matrix

Dinosaur Fossil (Tyrannosaurus rex skull replica/specimen)

Tyrannosaurus rex (fossilized in permineralized sedimentary matrix)

Septarian Nodule

Septarian Concretion (Calcium Carbonate/Aragonite/Calcite/Siderite)

Fossilized Bivalve in Limestone

Class Bivalvia within Sedimentary Matrix (likely CaCO3)

Quartz Veinated Sandstone or Siltstone

Silicon Dioxide (SiO2) within a clastic sedimentary matrix

Fossiliferous Sedimentary Rock

Sedimentary limestone with invertebrate fossil imprint

Geode with Iron-Stained Quartz/Calcite

Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) in Sedimentary Matrix

Orthoceras Fossil in Limestone

Orthoceras regulare (Class Cephalopoda)