Sedimentary (Alluvial Deposit)

Chert (with Quartz Vein)

Chert (Siliceous sedimentary rock, predominantly Microcrystalline Quartz SiO2)

Red Sandstone

Arenite (with Iron Oxide)

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Banded Agate (with possible Chalcedony layers)

Silicon dioxide (SiO2)

Conglomerate with Native Copper

Clastic Sedimentary Rock with Native Copper (Cu)

Banded Chert (River Siltstone)

Microcrystalline Quartz (SiO2)

Red Jasper (Heliotrope family variant)

Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)

Jasper (Iron-rich)

Silicon Dioxide (SiO2) with Fe2O3 (Hematite) inclusions

Chert (specifically Zebra Chert/Flint)

Silicon Dioxide (SiO2)

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite or Iron Oxide inclusions

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Agate Slices and Clear Quartz Points

Agate (SiO2 Chalcedony) and Clear Quartz (SiO2 Crystalline)

Fossiliferous Shale

Laminated Mudrock with plant fossils

Chert (Smooth River Pebble)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Agate (specifically Carnelian Agate or Lake Superior style Agate)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Banded Chert (Flint)

Cryptocrystalline Quartz (SiO2)

Banded Sandstone (Differential Weathering)

Clastic Sedimentary Rock (primarily SiO2)

Shale with Plant Fossils / Carbonaceous Shale

Laminated Mudrock (Siliciclastic)

Sandstone (likely Siltstone or Mudstone variety)

Clastic Sedimentary Rock (primarily SiO2 with iron oxides)

Fossiliferous Limestone (Coquina)

Biogenic Limestone (Calcium Carbonate, CaCO3)

Red Sandstone

Arenite (Ferruginous Sandstone)

Red Sandstone

Clastic sedimentary rock (primarily SiO2 with Fe2O3)

Ferruginous Sandstone Pebble

Arenite with Iron-Oxide Cement (SiO2 with Fe2O3/FeO(OH) staining)

Coquina (Fossiliferous Limestone)

Coquina (Organic Clastic Limestone)

Glauconitic Sandstone (Greensand)

Glauconitic Quartz Arenite (Formula: (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)

Banded Chert

Microcrystalline Quartz (SiO2)

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Moss Agate

Agate (Silicon Dioxide, SiO2) with dendritic inclusions

Jasper with Quartz Veining

Silicon Dioxide (SiO2) with impurities

Red Sandstone

Arenite (Ferruginous Sandstone)

Red Sandstone

Arenite (with Iron Oxide)

Banded Chert

Microcrystalline Quartz (SiO2)

Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Banded Chert (Jasper)

Silicon Dioxide (SiO2)

Greywacke (River/Beach Pebble)

Greywacke (Impure Sandstone)

Red Sandstone

Arenite (predominantly Quartz with Hematite cementation)

Red Sandstone

Sandstone (principally Quartz with Iron Oxide coating)

Red Jasper

Silicon Dioxide (SiO2) with Iron inclusions

Breciated Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Greywacke (River Pebble with Quartz Veins)

Greywacke (Indurated Sandstone); Veins: SiO2 (Quartz)