Gold Nugget
Native Gold (Au)
mineral
Category
Mineral, Often Found In Sedimentary Deposits
Browse mineral, often found in sedimentary deposits specimens identified by the Rock Identifier community.
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Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Jasper (Iron-stained)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Halite (Rock Salt)
Halite (NaCl)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Satin Spar (Gypsum)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
mineral
Celestine (Celestite)
Strontium sulfate (SrSO4)
mineral
Fossil Coral
Phylum Cnidaria / Rugosa or Tabulata
fossil
Pyrite
Iron Disulfide (FeS2)
mineral
Quartz / Common Agate
Silicon Dioxide (SiO2)
mineral
Fancy Jasper
Jasper (Cryptocrystalline Quartz, SiO2)
sedimentary
Banded Jasper
Silicate Mineral (Microcrystalline Quartz / SiO2)
sedimentary
Quartz Pebble
Silicon dioxide (SiO2)
sedimentary
Ironstone (Limonite/Hematite concretion)
Ferruginous Siltstone / Goethite (FeO(OH))
sedimentary
Specular Hematite
Hematite (Fe2O3)
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
mineral
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Amber
Amber (C10H16O)
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Black Onyx
Chalcedony (SiO2)
gemstone
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Fossilized Bone Fragment
Vertebrate Fossil Material (Apatite/Calcium Phosphate)
fossil
Fluorite
Fluoride (Calcium Fluoride - CaF2)
mineral
Glauconitic Sandstone
Glauconite-bearing Arenite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2
sedimentary
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz (Gravel Pebble)
Silicon Dioxide (SiO2)
sedimentary
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Carnelian
Silicon Dioxide (Chalcedony variety), SiO2
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Chert
Chert (Microcrystalline Quartz)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Fluorite
Calcium Fluoride (CaF2)
mineral
Golden Calcite
Calcium Carbonate (CaCO3)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral