Man Made Rock (Sedimentary Analogue)

Green Jasper with Quartz veins

Jasper (Silicon Dioxide, SiO2)

Yellow Jasper

Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Pyrite (on host rock/ore)

Iron Sulfide (FeS2)

Quartz / Quartzite

Silicon Dioxide (SiO2)

Fossiliferous Limestone

Carbonate Rock (CaCO3 with organic inclusions)

Ironstone Concretion (Moqui Marble Type)

Goethite/Hematite-cemented Sandstone Concretion

Chert (Fossiliferous)

Chert (Cryptocrystalline Silica/SiO2)

Anthracite Coal

Anthracite (Carbon-based sedimentary-derived metamorphic rock)

Gneiss (Banded Gneiss)

Gneiss

Chert (and Limestone Pebbles)

Silicon Dioxide (SiO2) / Sedimentary Microcrystalline Quartz

Fossil Coral

Scleractinia (Anthos), primarily Calcium Carbonate (CaCO3)

Red Sandstone

Arenite (high iron oxide content)

Jasper and Chert Conglomerate

Ferruginous Microcrystalline Quartz (SiO2)

Laterite

Laterite (Ferricrete)

Breccia

Clastic Breccia (General mineral composition depends on fragments, often SiO2 or CaCO3)

Red Sandstone

Arenite (Fe2O3-rich)

Sandstone with Liesegang Rings

Arenite with secondary Iron oxide (Limonite/Goethite) precipitation

Chert Pebble

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Greywacke (River Slikenside)

Greywacke (Lithic Sandstone)

Pyrite (on host rock)

Iron Sulfide (FeS2)

Fossil Coral

Fossilized Scleractinia or Tabulata (various genera/species)

Red Sandstone (Old Red Sandstone)

Ferruginous Sandstone (SiO2 + Fe2O3)

Chert (River Cobble)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Carnelian

Carnelian (SiO2 with Iron Oxide impurities)

Quartz

Quartz (SiO₂)

Jasper in Quartz (River Cobble)

Silicon Dioxide (SiO2) with Ferric Iron inclusions

Chert (Nodule)

Chert (Silicon Dioxide, SiO2)

Chert (Yellow Jasper variant)

Microcrystalline Quartz (SiO2)

Chert (Arrowhead variety)

Chert (SiO2)

Bumble Bee Jasper

Calcite-bearing Volcanic Tuff (not a true Jasper)

Fossiliferous Limestone with Rugose Coral

Calcite (CaCO3) matrix containing Rugosa (order of extinct solitary and colonial corals)

Greywacke with Quartz Veins

Lithic Sandstone (Greywacke) with SiO2 inclusions

Chert (Iron-stained)

Chert (Silicon Dioxide, SiO2)

Chert (Pink Jasper/Agate variety)

Microcrystalline Quartz (SiO2)

Chert (Jasper/River Rock)

Microcrystalline Quartz (SiO2)

Sandstone (specifically Cross-bedded Sandstone)

Arenite (composed primarily of SiO2)

Jasper (Red/Brown Variety)

Jasper (Silicon Dioxide, SiO2 plus Iron Oxide impurities)

Jasper

Silicon dioxide (SiO2) with iron impurities

Quartzite

Quartzite (primarily SiO2)