Mineral Within A Sedimentary Rock

Red Jasper

Silicon Dioxide (SiO2) with Iron inclusions

Sandstone (Red Flagstone)

Clastic sedimentary rock (primarily Quartz - SiO2)

Conglomerate (River Rock Aggregate)

Conglomerate (Lithic-clast conglomerate)

Halite

Halite (Sodium Chloride, NaCl)

Jasper (Red Jasper)

Silicon Dioxide (SiO2) with iron oxide inclusions

Banded Gneiss

Gneiss (High-grade Metamorphic Rock)

Fossil Sand Dollar (Echinoidea)

Phylum Echinodermata, Class Echinoidea (likely Dendraster or Scutella)

Sandstone (with cross-bedding)

Arenite (composed primarily of Quartz: SiO2)

Green Jasper

Silicon Dioxide (SiO2) with impurities

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

Sandstone

Arenite (primarily SiO2, silica)

Pyrite

Iron Sulfide (FeS2)

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Red Jasper variant)

Microcrystalline Quartz (SiO2)

Carnelian Agate

Carnelian (SiO2 with iron oxide impurities)

Gneiss (Metamorphic Rock)

Gneiss

Red Sandstone

Arenite (primarily Quartz SiO2 with Hematite Fe2O3 cement)

River Stone (likely Mudstone or Siltstone)

Lutite (Clastic sedimentary rock composed of clay and silt-sized particles)

Granodiorite (containing Biotite and Quartz)

Granodiorite (Plagioclase-rich phaneritic intrusive rock)

Ferruginous Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Red Quartz (Carnelian/Red Jasper Agate)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Dendritic Agate or Spotted Quartzite

Silicon Dioxide (SiO2) with inclusions

Black Opal

Hydrated Silica (SiO2·nH2O)

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

Carnelian (Chalcedony)

Cryptocrystalline Quartz (SiO2) with Iron Oxide impurities

White Quartz (Milky Quartz)

Quartz (Silicon Dioxide, SiO2)

Jasper (Zebra Jasper)

Silicon Dioxide (SiO2) with impurities

Jasper (Red/Brown Variety)

Jasper (Silicon Dioxide, SiO2 plus Iron Oxide impurities)

Dalmatian Stone (commonly called Dalmatian Jasper)

Peralkaline Rock (mixed Feldspar, Quartz, and Arfvedsonite)

Fossiliferous Chert (with Brachiopod or Mollusk fragments)

Silicon dioxide (SiO2) with Calcium Carbonate (CaCO3) inclusions

Granite Gneiss

Gneiss (High-grade regional metamorphic rock)

Travertine (Tufa)

Chemical Sedimentary Limestone (CaCO3)

Orange Calcite

Calcium Carbonate (CaCO3)

Chalcedony

Silicon dioxide (SiO2) - Cryptocrystalline Quartz

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)

Ironstone Concretion (Limonite/Goethite)

Iron oxide concretion (contains FeO(OH)·nH2O)

Red Sandstone

Arenite (with Iron Oxide)

Chert (Flint)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2) / Rock Crystal

Gneiss

Gneiss (High-grade metamorphic rock)

Gneiss

Gneiss (High-grade Metamorphic Rock)

Gastropod Steinkern (Fossil Snail Internal Mold)

Class Gastropoda (Internal Mold)