Magnetite (Lodestone variant potential)
Magnetite (Fe3O4)
mineral
Category
Sedimentary Mineral
Browse sedimentary mineral specimens identified by the Rock Identifier community.
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Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
mineral
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Breccia
Breccia (Sedimentary Clastic Rock)
sedimentary
Shale or Siltstone
Fine-grained siliciclastic sedimentary rock
sedimentary
Gypsum (Selenite sand)
Calcium sulfate dihydrate (CaSO4·2H2O)
mineral
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Shale
Mudrock / Fissile Shale
sedimentary
Fossilized Bone
Petrified Bone / Biogenic Sedimentary
fossil
Sandstone (Pebble)
Sandstone
sedimentary
Soil with Mineral Detritus and Quartz Fragments
Regolith / Silicate Mineral Aggregate
sedimentary
Limonite
FeO(OH)·nH2O
mineral
Shale (sub-type: Carbonaceous Shale)
Lutaceous Sedimentary Rock
sedimentary
Agate
SiO2
mineral
Shark Tooth Fossil
Vertebrate fossilized tooth
fossil
Hematite
Hematite (Fe2O3)
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Limonite
FeO(OH)·nH2O (Hydrated iron oxide-hydroxide)
mineral
Shale (with Iron Staining)
Argillaceous mudstone / Shale
sedimentary
Sandstone (Ferruginous)
Arenite (Fe-oxide cemented)
sedimentary
Sandstone (Ferruginous)
Arenite (with Goethite/Limonite cement)
sedimentary
Raw selenite (gypsum)
Gypsum, CaSO₄·2H₂O; translucent variety selenite
mineral
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Red Sandstone Pebble
Sedimentary quartz sandstone
sedimentary
Shale
Argillaceous Sedimentary Rock
sedimentary
Sandstone (likely Arkosic)
Clastic Sedimentary Rock
sedimentary
Sandstone (likely Siltstone or fine-grained Sandstone)
Sedimentary Rock (Clastic)
sedimentary
Limonite (often after Pyrite)
Limonite (FeO(OH)·nH2O)
mineral
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Fluorite
Calcium fluoride (CaF2)
mineral
Milky quartz
Quartz, silicon dioxide (SiO₂)
mineral
Shale or Mudstone
Argillaceous sedimentary rock
sedimentary
Breccia
Sedimentary Breccia
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Iron impurities
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Ironstone Pebble
Sedimentary Ironstone (Hematite/Limonite-bearing)
sedimentary