Sedimentary

Chert (variations include Flint or Jasper)

Chert (chemical sedimentary rock), Quartz (SiO2)

Bituminous Coal

Organic-rich sedimentary rock (Complex hydrocarbons)

Ferruginous Sandstone with Quartz Inclusions

Clastic Sedimentary Rock (Iron-rich Sandstone)

Ironstone (likely Ferruginous Siltstone/Sandstone)

Ferruginous sedimentary rock (FeOx-rich clastic)

Pyritic Sandstone

Clastic Sedimentary Rock (Pyrite-bearing Sandstone)

Brecciated Chert

Sedimentary Chert (SiO2) with Calc-Silicate mineralization

Microcrystalline Limestone Pebble

Carbonate sedimentary rock (Calcium Carbonate, CaCO3)

Fossiliferous Limestone

Calcite (CaCO3) Rich Bio-sedimentary Rock

Sandstone (Iron-stained)

Clastic sedimentary rock (SiO2 with Fe2O3 staining)

Sandstone (Gneissic or Banded)

Clastic Sedimentary Rock (composed predominantly of SiO2)

Shale

Fissile Mudrock (Clay-rich Sedimentary Rock)

Sandstone

Arenite (Siliclastic sedimentary rock, primarily SiO2)

Hag Stone

Perforated Sedimentary Rock (typically Limestone or Sandstone)

Conglomerate

Conglomerate (Sedimentary rock containing rounded clasts)

Sandstone (Banded)

Clastic Sedimentary Rock (primarily Quartz, SiO2)

Ironstone (Limonitic Shale)

Ferruginous Siltstone / Goethite-rich Sedimentary Rock

Red Sandstone (Hematitic)

Clastic sedimentary rock (SiO2 with Fe2O3 inclusions)

Mookaite Jasper

Siliceous (chert) sedimentary rock, a form of Jasper

Bituminous Coal (with Anthracite or Vitrinite inclusion)

Organic-rich Sedimentary Rock (Carboniferous classification)

River Stone (likely Siltstone or fine-grained Sandstone)

Clastic Sedimentary Rock (Lithic Wacke / Siltstone)

Stromatolite

Biogenic Sedimentary Rock (Precambrian Stromatolite fossil)

Dinosaur Fossil (Tyrannosaurus rex skull replica/specimen)

Tyrannosaurus rex (fossilized in permineralized sedimentary matrix)

Anthracite Coal

Anthracite (Carbon-rich metamorphic sedimentary rock)

Dinosaur Skull Fossil (Velociraptor Replica)

Velociraptor mongoliensis fossil specimen in sedimentary matrix

Stromatolite

Laminated biogenic sedimentary structure (formed by Cyanobacteria)

Red Sandstone

Clastic sedimentary rock (primarily SiO2 with Fe2O3)

Sandstone (with Iron Staining)

Clastic Sedimentary Rock (primarily Quartz, SiO2)

Sandstone Concretion

Clastic Sedimentary Rock - Quartz Arenite / Sandstone

Quartz Vein in Host Rock (likely Sandstone or Mudstone)

Silicon Dioxide (SiO2) within Sedimentary Matrix

Banded Sandstone (Liesegang Rings)

Sedimentary Arenite (SiO2 with FeO/Fe2O3 impurities)

Flagstone (Sandstone)

Clastic Sedimentary Rock (composed of quartz and feldspar)

Sandstone Concretion

Sandstone (Sedimentary Rock) with silica or calcite cement

Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Fossil Shark Tooth

Lamniformes (order) - likely Cretalamna or Carcharias species

Banded Chert (Jasper)

Silicon Dioxide (SiO2)

Calcite

Calcium Carbonate (CaCO3)

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Bivalve Fossil (Cockle shell)

Class Bivalvia (e.g., Anadara or Veneridae family)

Pyrite Geode (Sparkling Druzy)

Iron Sulfide (FeS2) in Sedimentary Nodule

Pyrite in Shale

Iron Disulfide (FeS2) in Sedimentary Shale

Agate

Chalcedony SiO2

Smoky Quartz

Silicon dioxide (SiO2)