Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
Category
Browse sedimentary (synthetic) specimens identified by the Rock Identifier community.
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
Quartz on Host Rock
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Jasper with Iron Staining
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
Goldstone (Red)
Aventurine Glass (SiO2 + Cu)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Puddingstone (Gowganda Tillite/Lorrain Quartzite)
Jasper Conglomerate
Hag Stone
Siltstone or Fine-grained Sandstone with boring (e.g., Lithophaga impact)
Chalk / Sedimentary Limestone
Calcium Carbonate (CaCO3) - Biogenic Sedimentary Rock
Chalk (Sedimentary Limestone)
Calcium Carbonate (CaCO3) - Bioclastic Limestone
Satin Spar Selenite
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Orange Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Satin Spar (Selenite)
Gypsum (CaSO4·2H2O)
Green Slag Glass (Cullet)
Amorphous Silica (Industrial Glass Byproduct)
Chert (Common Opal/Jasper variety)
Microcrystalline Quartz (SiO2) with hydration
Conglomerate (Red Sandstone variety)
Clastic Sedimentary Rock (Conglomeratic Sandstone)
Sandstone
Quartz Sandstone (predominantly)
Shale creek bed
Shale (fine-grained clastic sedimentary rock)
Blue Calcite
Calcium Carbonate (CaCO3)
Botryoidal Pyrite
Iron Sulfide (FeS2)
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
Limonite (Iron Stone Concretion)
Limonite (Hydrous Iron Oxide) - FeO(OH)·nH2O
Septarian Nodule (Septarian Dragon Stone)
Septarian Concretion (Composition: Calcite, Aragonite, and Limestone/Clay)
Chert
Chert (Microcrystalline Quartz)
Limestone with Chert
Calcium Carbonate (CaCO3) with Silica (SiO2) inclusions
Fossilized Fish (Lepidotes)
Lepidotes sp. (Order: Lepisosteiformes)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Quartz-veined Siltstone
Siltstone with Quartz (SiO2) veins
Coal (Bituminous)
Sedimentary carbonaceous rock
Limestone
Sedimentary Calcite (CaCO3)
Shale or Mudstone River Pebble
Argillaceous sedimentary rock
River Pebble (Greywacke or Siltstone)
Clastic Sedimentary Rock
Sandstone (likely Arkosic)
Clastic Sedimentary Rock
Hag Stone
Perforated Sedimentary Rock
Sandstone Cobble
Clastic Sedimentary (Sandstone)
Breciated Limestone with Calcite Veins
Sedimentary Breccia (CaCO3)
Shale or Siltstone
Sedimentary Rock (Siliciclastic)
Sandstone (likely Siltstone or fine-grained Sandstone)
Sedimentary Rock (Clastic)
Conglomerate
Clastic Sedimentary (Conglomerate)
Limestone Breccia
Sedimentary Breccia (Calcareous)