Satin Spar (Selenite)
Calcium sulfate dihydrate (CaSO4·2H2O)
mineral
Category
Mineral On Sedimentary
Browse mineral on sedimentary specimens identified by the Rock Identifier community.
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone
Arenite (SiO2 principal)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite in Quartzite/Graphite Matrix
Iron Sulfide (FeS2)
Mineral
Black Obsidian and Hematite
Volcanic Glass (SiO2) and Hematite (Fe2O3)
igneous and mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrulite (Pyrite / Chalcopyrite)
Iron Sulfide (FeS2) or Copper Iron Sulfide (CuFeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Gypsum Wallboard (Drywall)
Hydrous calcium sulfate (CaSO4·2H2O)
sedimentary (processed mineral product)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Sandstone (Greywacke)
Arenite/Greywacke (SiO2 major)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Blue Chalcedony
Chalcedony (cryptocrystalline Silicon Dioxide, SiO2)
mineral
Blue Chalcedony
Chalcedony (Silicon Dioxide, SiO2)
mineral
Gneiss
Gneiss
metamorphic
Sandstone (likely Arkosic or Lithic Sandstone)
Arenite (SiO2 based with mineral inclusions)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Shale
Fissile mudstone (primarily clay minerals and silt-sized quartz)
sedimentary
Halite
Halite (NaCl)
mineral
Sandstone (Ferruginous)
Clastic Sedimentary Rock (Litharenite)
sedimentary
Conglomerate (Puddingstone)
Conglomerate (specifically, clastic sedimentary rock)
Sedimentary
Sandstone with Quarzite clasts
Arenite (SiO2 based)
sedimentary
Limonite Concretion (Ironstone)
Limonite / Goethite (FeO(OH)·nH2O)
sedimentary
Specular Hematite
Hematite (Fe2O3)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Bauxite (Concretionary)
Bauxite (Al(OH)3, AlO(OH))
sedimentary
Quartz Geode
Crystalline Silicon Dioxide (SiO2) within a nodule
sedimentary
Limonite Concretion
Goethite-rich Concretion (FeO(OH))
sedimentary
Bauxite
Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Limonite (Iron Ore)
Hydrous ferric oxides (FeO(OH)·nH2O)
sedimentary
Geode (Unopened)
Silica-rich Concretion (primarily SiO2)
sedimentary
Sandstone
Arenite (SiO2 + various cementing minerals)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (Clastic Sedimentary Rock)
sedimentary