Limonite (Yellow Ochre)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
Category
Browse mineral on sedimentary specimens identified by the Rock Identifier community.
Limonite (Yellow Ochre)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
Gypsum (Satin Spar/Desert Rose variety)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Satin Spar (Selenite variant)
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)
Pyrite in Matrix
Iron Disulfide (FeS2)
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Satin Spar Selenite
Gypsum (CaSO4·2H2O)
Pink Satin Spar (Satin Spar Selenite Dyed)
Gypsum (CaSO4·2H2O)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Satin Spar (often sold as Selenite)
Gypsum (CaSO4·2H2O)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Iron Ore (Limonite and Hematite)
Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
Quartz (Variety: Citrine or Tumbled Chalcedony)
Silicon Dioxide (SiO2)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
Rhodochrosite
Manganese carbonate (MnCO3)
Satin Spar Selenite
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Satin Spar (Gypsum variety)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Ironstone Concretions (Ironstone)
Ferruginous Sandstone or Siltstone (Fe2O3)
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Satin Spar (often marketed as Selenite)
Fibrous Gypsum (CaSO4·2H2O)
Rhodochrosite
Manganese Carbonate (MnCO3)
Chert / Flint Nodules in Limestone
Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)
Pyrite (on host rock)
Iron Sulfide (FeS2)
Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
Selenite (Gypsum)
Hydrous calcium sulfate (CaSO4·2H2O)
Limonite/Hematite Ironstone
Goethite-rich Ironstone (FeO(OH) · nH2O)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Satin Spar (Selenite)
Gypsum (CaSO4·2H2O)
Quartz Pebble
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Satin Spar (often marketed as Selenite)
Fibrous Gypsum (CaSO4·2H2O)
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)