Anthropogenic (Man Made Material Mimicking Sedimentary Rock)

Jasper

Jasper (Silicon Dioxide, SiO2)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Chert (Iron-stained)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Jasper (Petrified Wood Variety)

Silicon Dioxide (SiO2)

Olivine (Peridotite)

(Mg,Fe)2SiO4 (Magnesium Iron Silicate)

Sandstone (with differential weathering)

Arenite / Quartz Sandstone (SiO2)

Sandstone Pebble (Quartzite-rich)

Clastic Terrigenous Sedimentary Rock (SiO2 dominant)

Sandstone (specifically an Iron-Concretion)

Arenite with Iron Oxide (Limonite/Goethite) cementation

Coquina or Fossiliferous Limestone

Fossiliferous Calcarenite (CaCO3)

Picture Jasper

Silicon Dioxide (SiO2) with mineral inclusions

Chert (specifically Flint or Chalcedony nodule)

Microcrystalline Quartz (SiO2)

Chert (with Manganese Dendrites)

Chert (Cryptocrystalline Quartz, SiO2)

Peridot (Olivine)

Magnesium Iron Silicate (Mg,Fe)2SiO4

Scoria (Basaltic Lava Rock)

Vesicular Basalt

Petrified Wood

Silicified Wood (SiO2)

Moss Agate

Chalcedony (Silicon Dioxide - SiO2) with inclusions

Olivine (Peridotite)

(Mg,Fe)2SiO4 (Magnesium Iron Silicate)

Chert Nodule (with Flint core)

Sedimentary Cryptocrystalline Quartz (SiO2)

Olivine (Peridotite)

Olivine Group; (Mg, Fe)2SiO4

Limonite (Iron Stone Concretion)

Limonite (Hydrous Iron Oxide) - FeO(OH)·nH2O

Petrified Wood

Silicified Wood (primarily SiO2)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Green Calcite

Calcium Carbonate (CaCO3)

Chert (often called Flint when dark or worked)

Cryptocrystalline silica (SiO2)

Petrified Wood

Silicified Wood (primarily SiO2)

Olivine in Basalt (Peridot)

Magnesium Iron Silicate (Mg,Fe)2SiO4 (Mineral) / Scoriaceous Basalt (Host Rock)

Granodiorite (River Pebble)

Granodiorite

Banded Chert (Flint)

Cryptocrystalline Quartz (SiO2)

Chert (often called Flint in this variation)

Silicon dioxide (SiO2) - Microcrystalline quartz

Red Sandstone

Arenite (primarily Quartz with Iron Oxide coating)

Red Jasper (River Siltstone)

Silicon Dioxide (SiO2) with iron oxide inclusions

Picture Jasper

Silicon Dioxide (SiO2) with impurities

Chert (Flint)

Microcrystalline Quartz (SiO2)

Quartz Vein in Metamorphic Rock

Silicon Dioxide (SiO2) within Metasedimentary host

Olivine (in Peridotite/Dunite form)

Magnesium Iron Silicate (Mg,Fe)2SiO4

Wood Paneling

Engineered Wood / Plywood Paneling

Rhodonite

Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3

Olivine (Peridot)

Magnesium Iron Silicate (Mg, Fe)2SiO4

Chert (specifically Flint or Common Chert)

Microcrystalline Quartz (SiO2)

Chert (Agate/Flint variant)

Microcrystalline Quartz (SiO2)

Quartzite

Quartzite (primarily SiO2)

Zebra Jasper (Zebra Stone)

Tumbled Silicon Dioxide (SiO2) with impurities