Sandstone Anvil / Nutting Stone
Quartzose Sandstone (Sedimentary Rock)
sedimentary
Category
Sedimentary Mineral
Browse sedimentary mineral specimens identified by the Rock Identifier community.
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Banded gneiss (likely amphibolite-bearing gneiss)
Gneiss; quartz–feldspar–mica/amphibole aggregate
metamorphic
Limonite with Pyrite
Hydrated Iron Oxide Hydroxide, FeO(OH)·nH2O
mineral
Agate Geode
Silicon Dioxide (SiO2) - Chalcedony variety
sedimentary
Sandstone (Ferruginous)
Clastic Sedimentary Rock (SiO2 with Fe2O3/FeOOH cement)
sedimentary
Apatite
Fluorapatite / Chlorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Red Jasper
Silicon Dioxide (SiO2) with Iron impurities
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Sandstone
Arenite (clastic sedimentary rock)
sedimentary
Breccia Pebble
Sedimentary Breccia
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone Pebble
Arenite (SiO2 complex)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Chrysocolla on Matrix
Hydrated copper silicates ((Cu,Al)2H2Si2O5(OH)4·nH2O)
mineral
Sandstone (with carbonaceous plant fragments)
Arenite (composed primarily of SiO2)
sedimentary
Halite
Halite (Sodium Chloride, NaCl)
mineral
Quartz Veined Mudstone
Metasedimentary rock with Quartz (SiO2) veins
metamorphic
Limonite Ironstone
Goethite-Limonite concretion / Iron oxide
sedimentary
Conglomerate
Sedimentary Conglomerate
sedimentary
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Quartz Geode
Silicon Dioxide (SiO2) within a geode
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Halite
Halite (NaCl)
mineral
Raw selenite (gypsum)
Gypsum, CaSO₄·2H₂O; translucent variety selenite
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Chalcopyrite
CuFeS2
mineral
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Sandstone
Sedimentary Rock (Quartz Arenite)
sedimentary
Sandstone with Liesegang Rings
Quartzose Sandstone with Iron Oxide Precipitation
sedimentary
Limonite Concretion
FeO(OH)·nH2O (Hydrated Iron Oxide)
sedimentary
Sandstone
Arenite
sedimentary
Fossil Belemnite Guard
Belemnitella spp. (rostrum)
fossil
Sandstone (likely with Quartz Veining)
Arenite (primarily SiO2)
sedimentary
Mixed Mineral Collection
Multi-mineral Assemblage (Quartz, Jasper, Obsidian, Pyrite, etc.)
mineral
Banded Sandstone (Zebra Stone)
Arenite with Iron Oxide Banding (Liesegang rings)
sedimentary
Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Hematite
Iron(III) oxide, Fe2O3
mineral
Galena
Lead Sulfide (PbS)
mineral
Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
mineral