Shale
Lutaceous Rock (Sedimentary Mudrock)
sedimentary
Category
Sedimentary Or Mineral
Browse sedimentary or mineral specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Mineral in the encyclopedia
View all →
Sandstone
Arenite (SiO2 based)
sedimentary
Red Sandstone
Ferruginous Sandstone (SiO2 with Fe2O3)
sedimentary
Sandstone (with Iron Staining)
Arenite (primarily SiO2 with Fe2O3/FeO(OH) oxides)
sedimentary
Liesegang Banded Sandstone (Wonderstone)
Ferruginous Sandstone with Liesegang Rings
sedimentary
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O
mineral
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O
mineral
Turquoise (possible Dyed Magnesite/Howlite)
CuAl6(PO4)4(OH)8·4H2O
mineral
Magnetite (Lodestone variety)
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Pyrite on Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
mineral
Turquoise
Hydrous phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Limonite and Goethite
Limonite (hydrated iron(III) oxide-hydroxide) and Goethite (α-FeO(OH))
mineral
Ferruginous Quartz
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Limestone Riprap
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Quartz on Host Rock
Silicon Dioxide (SiO2)
Mineral Specimen
Banded Gneiss
Gneiss (Metamorphic rock composed of feldspar, quartz, and mica)
metamorphic
Sandstone (Quartzite Pebble)
Arenite (primarily SiO2)
sedimentary
Sandstone (Calcareous/Lithic)
Sedimentary Rock (Clastic Sandstone with Calcium Carbonate cement)
sedimentary
Cinnabar
Mercury(II) sulfide (HgS)
mineral
Sandstone concretion (Ironstone-stained)
Arenite with Limonite/Hematite staining (Silica-based with Iron Oxides)
sedimentary
Sandstone (Water-worn Cobble)
Arenite (SiO2 based)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Banded River Rock with Quartz Vein
Siltstone/Greywacke with Quartz (SiO2)
sedimentary
Milky Quartz Pebble with Chert
Silicon Dioxide (SiO2)
mineral
Sandstone (with Limonite staining)
Arenite (FeOx-rich)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3/FeO(OH) cementing agents)
sedimentary
Glauconite
(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
mineral
Red Sandstone
Clastic sedimentary rock (primarily SiO2 with Fe2O3 iron oxide staining)
sedimentary
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with iron and other mineral inclusions
mineral
Himalayan Pink Salt
Halite (NaCl) with trace minerals
mineral
Amber (Copal)
Fossilized Tree Resin
mineraloid
Jasper with Iron Oxides
Silicon Dioxide (SiO2) with Fe2O3 inclusions
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Limonite with Hematite
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2)
mineral
Sandstone (likely Quartzose Sandstone)
Arenite (composed primarily of SiO2)
sedimentary
Ironstone Concretion
Ferruginous Siltstone/Ironstone (Fe2O3)
sedimentary